20865020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94841}}^1$

素因数の和:94861

約数の個数: 24

約数和(自身を含む): 47800368

約数和(自身を除く): 26935348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94841, 189682, 379364, 474205, 948410, 1043251, 1896820, 2086502, 4173004, 5216255, 10432510, 20865020]

約数ペア:

[(1, 20865020), (2, 10432510), (4, 5216255), (5, 4173004), (10, 2086502), (11, 1896820), (20, 1043251), (22, 948410), (44, 474205), (55, 379364), (110, 189682), (220, 94841)]