20913204

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134059}}^1$

素因数の和:134079

約数の個数: 24

約数和(自身を含む): 52551520

約数和(自身を除く): 31638316

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134059, 268118, 402177, 536236, 804354, 1608708, 1742767, 3485534, 5228301, 6971068, 10456602, 20913204]

約数ペア:

[(1, 20913204), (2, 10456602), (3, 6971068), (4, 5228301), (6, 3485534), (12, 1742767), (13, 1608708), (26, 804354), (39, 536236), (52, 402177), (78, 268118), (156, 134059)]