20107156771

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1361}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 23688339840

約数和(自身を除く): 3581183069

約数列:

[1, 13, 19, 43, 107, 169, 247, 559, 817, 1361, 1391, 2033, 3211, 4601, 7267, 10621, 17693, 18083, 25859, 26429, 58523, 59813, 87419, 138073, 145627, 230009, 336167, 343577, 760799, 777569, 1111937, 1136447, 1893151, 2766913, 4370171, 6261961, 9890387, 14455181, 14773811, 24610963, 35969869, 81405493, 118977259, 187917353, 467608297, 1058271409, 1546704367, 20107156771]

約数ペア:

[(1, 20107156771), (13, 1546704367), (19, 1058271409), (43, 467608297), (107, 187917353), (169, 118977259), (247, 81405493), (559, 35969869), (817, 24610963), (1361, 14773811), (1391, 14455181), (2033, 9890387), (3211, 6261961), (4601, 4370171), (7267, 2766913), (10621, 1893151), (17693, 1136447), (18083, 1111937), (25859, 777569), (26429, 760799), (58523, 343577), (59813, 336167), (87419, 230009), (138073, 145627)]