20640424

素因数分解:

$2^3\times 7^1\times {\mathrm{368579}}^1$

素因数の和:368592

約数の個数: 16

約数和(自身を含む): 44229600

約数和(自身を除く): 23589176

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 368579, 737158, 1474316, 2580053, 2948632, 5160106, 10320212, 20640424]

約数ペア:

[(1, 20640424), (2, 10320212), (4, 5160106), (7, 2948632), (8, 2580053), (14, 1474316), (28, 737158), (56, 368579)]