20565490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{186959}}^1$

素因数の和:186977

約数の個数: 16

約数和(自身を含む): 40383360

約数和(自身を除く): 19817870

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 186959, 373918, 934795, 1869590, 2056549, 4113098, 10282745, 20565490]

約数ペア:

[(1, 20565490), (2, 10282745), (5, 4113098), (10, 2056549), (11, 1869590), (22, 934795), (55, 373918), (110, 186959)]