20504744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197161}}^1$

素因数の和:197180

約数の個数: 16

約数和(自身を含む): 41404020

約数和(自身を除く): 20899276

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197161, 394322, 788644, 1577288, 2563093, 5126186, 10252372, 20504744]

約数ペア:

[(1, 20504744), (2, 10252372), (4, 5126186), (8, 2563093), (13, 1577288), (26, 788644), (52, 394322), (104, 197161)]