20313765

素因数分解:

$3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1019}}^1$

素因数の和:1473

約数の個数: 24

約数和(自身を含む): 35324640

約数和(自身を除く): 15010875

約数列:

[1, 3, 5, 9, 15, 45, 443, 1019, 1329, 2215, 3057, 3987, 5095, 6645, 9171, 15285, 19935, 45855, 451417, 1354251, 2257085, 4062753, 6771255, 20313765]

約数ペア:

[(1, 20313765), (3, 6771255), (5, 4062753), (9, 2257085), (15, 1354251), (45, 451417), (443, 45855), (1019, 19935), (1329, 15285), (2215, 9171), (3057, 6645), (3987, 5095)]