Q: What is the sum of all factors of the number 20,428,309 excluding 20,428,309?
A: 2,166,263
The factors of the number 20,428,309 are: 1, 11, 121, 197, 857, 2167, 9427, 23837, 103697, 168829, 1857119, 20428309.
If you add them up, you will get the total of 20,428,311. Now subtract 20,428,309 to get 2,166,263