20003599

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 26703360

約数和(自身を除く): 6699761

約数列:

[1, 7, 11, 19, 77, 113, 121, 133, 209, 791, 847, 1243, 1331, 1463, 2147, 2299, 8701, 9317, 13673, 15029, 16093, 23617, 25289, 95711, 150403, 165319, 177023, 259787, 1052821, 1818509, 2857657, 20003599]

約数ペア:

[(1, 20003599), (7, 2857657), (11, 1818509), (19, 1052821), (77, 259787), (113, 177023), (121, 165319), (133, 150403), (209, 95711), (791, 25289), (847, 23617), (1243, 16093), (1331, 15029), (1463, 13673), (2147, 9317), (2299, 8701)]