20011770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5171}}^1$

素因数の和:5227

約数の個数: 48

約数和(自身を含む): 53250912

約数和(自身を除く): 33239142

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5171, 10342, 15513, 25855, 31026, 46539, 51710, 77565, 93078, 155130, 222353, 232695, 444706, 465390, 667059, 1111765, 1334118, 2001177, 2223530, 3335295, 4002354, 6670590, 10005885, 20011770]

約数ペア:

[(1, 20011770), (2, 10005885), (3, 6670590), (5, 4002354), (6, 3335295), (9, 2223530), (10, 2001177), (15, 1334118), (18, 1111765), (30, 667059), (43, 465390), (45, 444706), (86, 232695), (90, 222353), (129, 155130), (215, 93078), (258, 77565), (387, 51710), (430, 46539), (645, 31026), (774, 25855), (1290, 15513), (1935, 10342), (3870, 5171)]