20138025663

素因数分解:

$3^2\times 7^1\times {\mathrm{761}}^1\times {\mathrm{420041}}^1$

素因数の和:420815

約数の個数: 24

約数和(自身を含む): 33287488416

約数和(自身を除く): 13149462753

約数列:

[1, 3, 7, 9, 21, 63, 761, 2283, 5327, 6849, 15981, 47943, 420041, 1260123, 2940287, 3780369, 8820861, 26462583, 319651201, 958953603, 2237558407, 2876860809, 6712675221, 20138025663]

約数ペア:

[(1, 20138025663), (3, 6712675221), (7, 2876860809), (9, 2237558407), (21, 958953603), (63, 319651201), (761, 26462583), (2283, 8820861), (5327, 3780369), (6849, 2940287), (15981, 1260123), (47943, 420041)]