20308875

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1747}}^1$

素因数の和:1796

約数の個数: 32

約数和(自身を含む): 34904064

約数和(自身を除く): 14595189

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 375, 465, 775, 1747, 2325, 3875, 5241, 8735, 11625, 26205, 43675, 54157, 131025, 162471, 218375, 270785, 655125, 812355, 1353925, 4061775, 6769625, 20308875]

約数ペア:

[(1, 20308875), (3, 6769625), (5, 4061775), (15, 1353925), (25, 812355), (31, 655125), (75, 270785), (93, 218375), (125, 162471), (155, 131025), (375, 54157), (465, 43675), (775, 26205), (1747, 11625), (2325, 8735), (3875, 5241)]