Q: What is the sum of all factors of the number 20,720,720 excluding 20,720,720?
A: 27,455,140
The factors of the number 20,720,720 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 259009, 518018, 1036036, 1295045, 2072072, 2590090, 4144144, 5180180, 10360360, 20720720.
If you add them up, you will get the total of 20,720,747. Now subtract 20,720,720 to get 27,455,140