20159122941

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{353}}^1\times {\mathrm{2267}}^1$

素因数の和:2943

約数の個数: 40

約数和(自身を含む): 30310023744

約数和(自身を除く): 10150900803

約数列:

[1, 3, 9, 27, 81, 311, 353, 933, 1059, 2267, 2799, 3177, 6801, 8397, 9531, 20403, 25191, 28593, 61209, 109783, 183627, 329349, 705037, 800251, 988047, 2115111, 2400753, 2964141, 6345333, 7202259, 8892423, 19035999, 21606777, 57107997, 64820331, 248878061, 746634183, 2239902549, 6719707647, 20159122941]

約数ペア:

[(1, 20159122941), (3, 6719707647), (9, 2239902549), (27, 746634183), (81, 248878061), (311, 64820331), (353, 57107997), (933, 21606777), (1059, 19035999), (2267, 8892423), (2799, 7202259), (3177, 6345333), (6801, 2964141), (8397, 2400753), (9531, 2115111), (20403, 988047), (25191, 800251), (28593, 705037), (61209, 329349), (109783, 183627)]