20357060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23671}}^1$

素因数の和:23723

約数の個数: 24

約数和(自身を含む): 43745856

約数和(自身を除く): 23388796

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23671, 47342, 94684, 118355, 236710, 473420, 1017853, 2035706, 4071412, 5089265, 10178530, 20357060]

約数ペア:

[(1, 20357060), (2, 10178530), (4, 5089265), (5, 4071412), (10, 2035706), (20, 1017853), (43, 473420), (86, 236710), (172, 118355), (215, 94684), (430, 47342), (860, 23671)]