20565372969

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2558837}}^1$

素因数の和:2558909

約数の個数: 24

約数和(自身を含む): 31934298240

約数和(自身を除く): 11368925271

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2679, 8037, 2558837, 7676511, 23029533, 48617903, 120265339, 145853709, 360796017, 437561127, 1082388051, 2285041441, 6855124323, 20565372969]

約数ペア:

[(1, 20565372969), (3, 6855124323), (9, 2285041441), (19, 1082388051), (47, 437561127), (57, 360796017), (141, 145853709), (171, 120265339), (423, 48617903), (893, 23029533), (2679, 7676511), (8037, 2558837)]