12018820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{54631}}^1$

素因数の和:54651

約数の個数: 24

約数和(自身を含む): 27534528

約数和(自身を除く): 15515708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 54631, 109262, 218524, 273155, 546310, 600941, 1092620, 1201882, 2403764, 3004705, 6009410, 12018820]

約数ペア:

[(1, 12018820), (2, 6009410), (4, 3004705), (5, 2403764), (10, 1201882), (11, 1092620), (20, 600941), (22, 546310), (44, 273155), (55, 218524), (110, 109262), (220, 54631)]