Q: What is the sum of all factors of the number 20,820,740 excluding 20,820,740?

 A: 23,058,172

Why is 23,058,172 the sum of all factors of 20,820,740, excluding 20,820,740?

The factors of the number 20,820,740 are: 1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 3391, 6140, 6782, 13564, 16955, 33910, 67820, 1041037, 2082074, 4164148, 5205185, 10410370, 20820740.

If you add them up, you will get the total of 20,820,763. Now subtract 20,820,740 to get 23,058,172


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