20805941387

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1121191}}^1$

素因数の和:1121450

約数の個数: 16

約数和(自身を含む): 26047532544

約数和(自身を除く): 5241591157

約数列:

[1, 7, 11, 77, 241, 1687, 2651, 18557, 1121191, 7848337, 12333101, 86331707, 270207031, 1891449217, 2972277341, 20805941387]

約数ペア:

[(1, 20805941387), (7, 2972277341), (11, 1891449217), (77, 270207031), (241, 86331707), (1687, 12333101), (2651, 7848337), (18557, 1121191)]