Q: What is the sum of all factors of the number 20,400,400 excluding 20,400,400?
A: 28,612,522
The factors of the number 20,400,400 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 51001, 102002, 204004, 255005, 408008, 510010, 816016, 1020020, 1275025, 2040040, 2550050, 4080080, 5100100, 10200200, 20400400.
If you add them up, you will get the total of 20,400,428. Now subtract 20,400,400 to get 28,612,522