20357524

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{42061}}^1$

素因数の和:42087

約数の個数: 18

約数和(自身を含む): 39159722

約数和(自身を除く): 18802198

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 42061, 84122, 168244, 462671, 925342, 1850684, 5089381, 10178762, 20357524]

約数ペア:

[(1, 20357524), (2, 10178762), (4, 5089381), (11, 1850684), (22, 925342), (44, 462671), (121, 168244), (242, 84122), (484, 42061)]