20579445

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3491}}^1$

素因数の和:3633

約数の個数: 24

約数和(自身を含む): 35953632

約数和(自身を除く): 15374187

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 3491, 5895, 10473, 17455, 31419, 52365, 157095, 457321, 1371963, 2286605, 4115889, 6859815, 20579445]

約数ペア:

[(1, 20579445), (3, 6859815), (5, 4115889), (9, 2286605), (15, 1371963), (45, 457321), (131, 157095), (393, 52365), (655, 31419), (1179, 17455), (1965, 10473), (3491, 5895)]