20565688084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{881437}}^1$

素因数の和:881767

約数の個数: 24

約数和(自身を含む): 38007606560

約数和(自身を除く): 17441918476

約数列:

[1, 2, 4, 19, 38, 76, 307, 614, 1228, 5833, 11666, 23332, 881437, 1762874, 3525748, 16747303, 33494606, 66989212, 270601159, 541202318, 1082404636, 5141422021, 10282844042, 20565688084]

約数ペア:

[(1, 20565688084), (2, 10282844042), (4, 5141422021), (19, 1082404636), (38, 541202318), (76, 270601159), (307, 66989212), (614, 33494606), (1228, 16747303), (5833, 3525748), (11666, 1762874), (23332, 881437)]