20497764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{244021}}^1$

素因数の和:244035

約数の個数: 24

約数和(自身を含む): 54660928

約数和(自身を除く): 34163164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 244021, 488042, 732063, 976084, 1464126, 1708147, 2928252, 3416294, 5124441, 6832588, 10248882, 20497764]

約数ペア:

[(1, 20497764), (2, 10248882), (3, 6832588), (4, 5124441), (6, 3416294), (7, 2928252), (12, 1708147), (14, 1464126), (21, 976084), (28, 732063), (42, 488042), (84, 244021)]