20015925

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8609}}^1$

素因数の和:8653

約数の個数: 24

約数和(自身を含む): 34164480

約数和(自身を除く): 14148555

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 8609, 25827, 43045, 129135, 215225, 266879, 645675, 800637, 1334395, 4003185, 6671975, 20015925]

約数ペア:

[(1, 20015925), (3, 6671975), (5, 4003185), (15, 1334395), (25, 800637), (31, 645675), (75, 266879), (93, 215225), (155, 129135), (465, 43045), (775, 25827), (2325, 8609)]