20128096209

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{1229}}^1\times {\mathrm{32303}}^1$

素因数の和:33561

約数の個数: 24

約数和(自身を含む): 29085229440

約数和(自身を除く): 8957133231

約数列:

[1, 3, 13, 39, 169, 507, 1229, 3687, 15977, 32303, 47931, 96909, 207701, 419939, 623103, 1259817, 5459207, 16377621, 39700387, 119101161, 516105031, 1548315093, 6709365403, 20128096209]

約数ペア:

[(1, 20128096209), (3, 6709365403), (13, 1548315093), (39, 516105031), (169, 119101161), (507, 39700387), (1229, 16377621), (3687, 5459207), (15977, 1259817), (32303, 623103), (47931, 419939), (96909, 207701)]