20872004

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{757}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 37502808

約数和(自身を除く): 16630804

約数列:

[1, 2, 4, 61, 113, 122, 226, 244, 452, 757, 1514, 3028, 6893, 13786, 27572, 46177, 85541, 92354, 171082, 184708, 342164, 5218001, 10436002, 20872004]

約数ペア:

[(1, 20872004), (2, 10436002), (4, 5218001), (61, 342164), (113, 184708), (122, 171082), (226, 92354), (244, 85541), (452, 46177), (757, 27572), (1514, 13786), (3028, 6893)]