20211442570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{449243}}^1$

素因数の和:449670

約数の個数: 32

約数和(自身を含む): 39785048640

約数和(自身を除く): 19573606070

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 818, 2045, 4090, 4499, 8998, 22495, 44990, 449243, 898486, 2246215, 4492430, 4941673, 9883346, 24708365, 49416730, 183740387, 367480774, 918701935, 1837403870, 2021144257, 4042288514, 10105721285, 20211442570]

約数ペア:

[(1, 20211442570), (2, 10105721285), (5, 4042288514), (10, 2021144257), (11, 1837403870), (22, 918701935), (55, 367480774), (110, 183740387), (409, 49416730), (818, 24708365), (2045, 9883346), (4090, 4941673), (4499, 4492430), (8998, 2246215), (22495, 898486), (44990, 449243)]