SOLUTION: What is the sum of all positive integer values of n such (n+20)/n is an integer ?

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: What is the sum of all positive integer values of n such (n+20)/n is an integer ?      Log On


   

Question 550111: What is the sum of all positive integer values of n such (n+20)/n is an integer ?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: Since (n+20)/n = n/n + 20/n = 1 + 20/n, this means that (n+20)/n is only an integer if n is a factor of 20.