31548220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{143401}}^1$

素因数の和:143421

約数の個数: 24

約数和(自身を含む): 72274608

約数和(自身を除く): 40726388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 143401, 286802, 573604, 717005, 1434010, 1577411, 2868020, 3154822, 6309644, 7887055, 15774110, 31548220]

約数ペア:

[(1, 31548220), (2, 15774110), (4, 7887055), (5, 6309644), (10, 3154822), (11, 2868020), (20, 1577411), (22, 1434010), (44, 717005), (55, 573604), (110, 286802), (220, 143401)]