20476877968

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31214753}}^1$

素因数の和:31214802

約数の個数: 20

約数和(自身を含む): 40641609708

約数和(自身を除く): 20164731740

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31214753, 62429506, 124859012, 249718024, 499436048, 1279804873, 2559609746, 5119219492, 10238438984, 20476877968]

約数ペア:

[(1, 20476877968), (2, 10238438984), (4, 5119219492), (8, 2559609746), (16, 1279804873), (41, 499436048), (82, 249718024), (164, 124859012), (328, 62429506), (656, 31214753)]