20541186

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{26539}}^1$

素因数の和:26590

約数の個数: 24

約数和(自身を含む): 45542640

約数和(自身を除く): 25001454

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 26539, 53078, 79617, 159234, 238851, 477702, 1141177, 2282354, 3423531, 6847062, 10270593, 20541186]

約数ペア:

[(1, 20541186), (2, 10270593), (3, 6847062), (6, 3423531), (9, 2282354), (18, 1141177), (43, 477702), (86, 238851), (129, 159234), (258, 79617), (387, 53078), (774, 26539)]