20791394

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:614

約数の個数: 24

約数和(自身を含む): 34092900

約数和(自身を除く): 13301506

約数列:

[1, 2, 13, 26, 137, 169, 274, 338, 449, 898, 1781, 3562, 5837, 11674, 23153, 46306, 61513, 75881, 123026, 151762, 799669, 1599338, 10395697, 20791394]

約数ペア:

[(1, 20791394), (2, 10395697), (13, 1599338), (26, 799669), (137, 151762), (169, 123026), (274, 75881), (338, 61513), (449, 46306), (898, 23153), (1781, 11674), (3562, 5837)]