20412469

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37871}}^1$

素因数の和:37896

約数の個数: 12

約数和(自身を含む): 25904448

約数和(自身を除く): 5491979

約数列:

[1, 7, 11, 49, 77, 539, 37871, 265097, 416581, 1855679, 2916067, 20412469]

約数ペア:

[(1, 20412469), (7, 2916067), (11, 1855679), (49, 416581), (77, 265097), (539, 37871)]