Q: What is the sum of all factors of the number 9,989,780 including 9,989,780?
A: 21,059,808
The factors of the number 9,989,780 are: 1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 1627, 3070, 3254, 6140, 6508, 8135, 16270, 32540, 499489, 998978, 1997956, 2497445, 4994890, 9989780.
If you add them up, you will get the total of 21,059,808.