12238820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{55631}}^1$

素因数の和:55651

約数の個数: 24

約数和(自身を含む): 28038528

約数和(自身を除く): 15799708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 55631, 111262, 222524, 278155, 556310, 611941, 1112620, 1223882, 2447764, 3059705, 6119410, 12238820]

約数ペア:

[(1, 12238820), (2, 6119410), (4, 3059705), (5, 2447764), (10, 1223882), (11, 1112620), (20, 611941), (22, 556310), (44, 278155), (55, 222524), (110, 111262), (220, 55631)]