Q: What is the sum of all factors of the number 20,720,259 excluding 20,720,259?
A: 15,321,981
The factors of the number 20,720,259 are: 1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 2963, 6993, 8889, 20741, 26667, 62223, 80001, 109631, 186669, 328893, 560007, 767417, 986679, 2302251, 2960037, 6906753, 20720259.
If you add them up, you will get the total of 20,720,274. Now subtract 20,720,259 to get 15,321,981