Q: What is the sum of all factors of the number 20,501,505 excluding 20,501,505?
A: 16,576,767
The factors of the number 20,501,505 are: 1, 3, 5, 9, 15, 27, 45, 81, 135, 223, 227, 405, 669, 681, 1115, 1135, 2007, 2043, 3345, 3405, 6021, 6129, 10035, 10215, 18063, 18387, 30105, 30645, 50621, 90315, 91935, 151863, 253105, 455589, 759315, 1366767, 2277945, 4100301, 6833835, 20501505.
If you add them up, you will get the total of 20,501,521. Now subtract 20,501,505 to get 16,576,767