Q: What is the sum of all factors of the number 20,400,397 excluding 20,400,397?
A: 503,795
The factors of the number 20,400,397 are: 1, 47, 421, 1031, 19787, 48457, 434051, 20400397.
If you add them up, you will get the total of 20,400,900. Now subtract 20,400,397 to get 503,795