20791212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133277}}^1$

素因数の和:133297

約数の個数: 24

約数和(自身を含む): 52244976

約数和(自身を除く): 31453764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133277, 266554, 399831, 533108, 799662, 1599324, 1732601, 3465202, 5197803, 6930404, 10395606, 20791212]

約数ペア:

[(1, 20791212), (2, 10395606), (3, 6930404), (4, 5197803), (6, 3465202), (12, 1732601), (13, 1599324), (26, 799662), (39, 533108), (52, 399831), (78, 266554), (156, 133277)]