20482568

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{82591}}^1$

素因数の和:82628

約数の個数: 16

約数和(自身を含む): 39644160

約数和(自身を除く): 19161592

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 82591, 165182, 330364, 660728, 2560321, 5120642, 10241284, 20482568]

約数ペア:

[(1, 20482568), (2, 10241284), (4, 5120642), (8, 2560321), (31, 660728), (62, 330364), (124, 165182), (248, 82591)]