Q: What is the sum of all factors of the number 20,478,315 excluding 20,478,315?
A: 18,019,221
The factors of the number 20,478,315 are: 1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9547, 28641, 47735, 105017, 124111, 143205, 315051, 372333, 525085, 620555, 1365221, 1575255, 1861665, 4095663, 6826105, 20478315.
If you add them up, you will get the total of 20,478,333. Now subtract 20,478,315 to get 18,019,221