20020125

素因数分解:

$3^1\times 5^3\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 33606144

約数和(自身を除く): 13586019

約数列:

[1, 3, 5, 15, 25, 75, 125, 197, 271, 375, 591, 813, 985, 1355, 2955, 4065, 4925, 6775, 14775, 20325, 24625, 33875, 53387, 73875, 101625, 160161, 266935, 800805, 1334675, 4004025, 6673375, 20020125]

約数ペア:

[(1, 20020125), (3, 6673375), (5, 4004025), (15, 1334675), (25, 800805), (75, 266935), (125, 160161), (197, 101625), (271, 73875), (375, 53387), (591, 33875), (813, 24625), (985, 20325), (1355, 14775), (2955, 6775), (4065, 4925)]