20121510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1549}}^1$

素因数の和:1992

約数の個数: 32

約数和(自身を含む): 48434400

約数和(自身を除く): 28312890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 433, 866, 1299, 1549, 2165, 2598, 3098, 4330, 4647, 6495, 7745, 9294, 12990, 15490, 23235, 46470, 670717, 1341434, 2012151, 3353585, 4024302, 6707170, 10060755, 20121510]

約数ペア:

[(1, 20121510), (2, 10060755), (3, 6707170), (5, 4024302), (6, 3353585), (10, 2012151), (15, 1341434), (30, 670717), (433, 46470), (866, 23235), (1299, 15490), (1549, 12990), (2165, 9294), (2598, 7745), (3098, 6495), (4330, 4647)]