20456025

素因数分解:

$3^1\times 5^2\times {\mathrm{311}}^1\times {\mathrm{877}}^1$

素因数の和:1201

約数の個数: 24

約数和(自身を含む): 33968064

約数和(自身を除く): 13512039

約数列:

[1, 3, 5, 15, 25, 75, 311, 877, 933, 1555, 2631, 4385, 4665, 7775, 13155, 21925, 23325, 65775, 272747, 818241, 1363735, 4091205, 6818675, 20456025]

約数ペア:

[(1, 20456025), (3, 6818675), (5, 4091205), (15, 1363735), (25, 818241), (75, 272747), (311, 65775), (877, 23325), (933, 21925), (1555, 13155), (2631, 7775), (4385, 4665)]