20957561804

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{4397}}^1\times {\mathrm{29063}}^1$

素因数の和:33505

約数の個数: 24

約数和(自身を含む): 37580100768

約数和(自身を除く): 16622538964

約数列:

[1, 2, 4, 41, 82, 164, 4397, 8794, 17588, 29063, 58126, 116252, 180277, 360554, 721108, 1191583, 2383166, 4766332, 127790011, 255580022, 511160044, 5239390451, 10478780902, 20957561804]

約数ペア:

[(1, 20957561804), (2, 10478780902), (4, 5239390451), (41, 511160044), (82, 255580022), (164, 127790011), (4397, 4766332), (8794, 2383166), (17588, 1191583), (29063, 721108), (58126, 360554), (116252, 180277)]