20815676959

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{109847}}^1$

素因数の和:109995

約数の個数: 32

約数和(自身を含む): 27333697536

約数和(自身を除く): 6518020577

約数列:

[1, 7, 11, 23, 77, 107, 161, 253, 749, 1177, 1771, 2461, 8239, 17227, 27071, 109847, 189497, 768929, 1208317, 2526481, 8458219, 11753629, 17685367, 27791291, 82275403, 129289919, 194539037, 270333467, 905029433, 1892334269, 2973668137, 20815676959]

約数ペア:

[(1, 20815676959), (7, 2973668137), (11, 1892334269), (23, 905029433), (77, 270333467), (107, 194539037), (161, 129289919), (253, 82275403), (749, 27791291), (1177, 17685367), (1771, 11753629), (2461, 8458219), (8239, 2526481), (17227, 1208317), (27071, 768929), (109847, 189497)]