20875580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94889}}^1$

素因数の和:94909

約数の個数: 24

約数和(自身を含む): 47824560

約数和(自身を除く): 26948980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94889, 189778, 379556, 474445, 948890, 1043779, 1897780, 2087558, 4175116, 5218895, 10437790, 20875580]

約数ペア:

[(1, 20875580), (2, 10437790), (4, 5218895), (5, 4175116), (10, 2087558), (11, 1897780), (20, 1043779), (22, 948890), (44, 474445), (55, 379556), (110, 189778), (220, 94889)]