20569588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{881}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 38896200

約数和(自身を除く): 18326612

約数列:

[1, 2, 4, 13, 26, 52, 449, 881, 898, 1762, 1796, 3524, 5837, 11453, 11674, 22906, 23348, 45812, 395569, 791138, 1582276, 5142397, 10284794, 20569588]

約数ペア:

[(1, 20569588), (2, 10284794), (4, 5142397), (13, 1582276), (26, 791138), (52, 395569), (449, 45812), (881, 23348), (898, 22906), (1762, 11674), (1796, 11453), (3524, 5837)]