20790837

素因数分解:

$3^5\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 31633056

約数和(自身を除く): 10842219

約数列:

[1, 3, 9, 27, 67, 81, 201, 243, 603, 1277, 1809, 3831, 5427, 11493, 16281, 34479, 85559, 103437, 256677, 310311, 770031, 2310093, 6930279, 20790837]

約数ペア:

[(1, 20790837), (3, 6930279), (9, 2310093), (27, 770031), (67, 310311), (81, 256677), (201, 103437), (243, 85559), (603, 34479), (1277, 16281), (1809, 11493), (3831, 5427)]