Q: What is the sum of all factors of the number 20,667,409 excluding 20,667,409?
A: 4,185,839
The factors of the number 20,667,409 are: 1, 7, 23, 137, 161, 937, 959, 3151, 6559, 21551, 22057, 128369, 150857, 898583, 2952487, 20667409.
If you add them up, you will get the total of 20,667,413. Now subtract 20,667,409 to get 4,185,839