Why is 42,924 the sum of all factors of 20,420, including 20,420?
The factors of the number 20,420 are: 1, 2, 4, 5, 10, 20, 1021, 2042, 4084, 5105, 10210, 20420.
If you add them up, you will get the total of 42,924.
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