20210740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91867}}^1$

素因数の和:91887

約数の個数: 24

約数和(自身を含む): 46301472

約数和(自身を除く): 26090732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91867, 183734, 367468, 459335, 918670, 1010537, 1837340, 2021074, 4042148, 5052685, 10105370, 20210740]

約数ペア:

[(1, 20210740), (2, 10105370), (4, 5052685), (5, 4042148), (10, 2021074), (11, 1837340), (20, 1010537), (22, 918670), (44, 459335), (55, 367468), (110, 183734), (220, 91867)]