20907825

素因数分解:

$3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{2467}}^1$

素因数の和:2593

約数の個数: 24

約数和(自身を含む): 34887648

約数和(自身を除く): 13979823

約数列:

[1, 3, 5, 15, 25, 75, 113, 339, 565, 1695, 2467, 2825, 7401, 8475, 12335, 37005, 61675, 185025, 278771, 836313, 1393855, 4181565, 6969275, 20907825]

約数ペア:

[(1, 20907825), (3, 6969275), (5, 4181565), (15, 1393855), (25, 836313), (75, 278771), (113, 185025), (339, 61675), (565, 37005), (1695, 12335), (2467, 8475), (2825, 7401)]