20815314

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{266863}}^1$

素因数の和:266881

約数の個数: 16

約数和(自身を含む): 44833152

約数和(自身を除く): 24017838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 266863, 533726, 800589, 1601178, 3469219, 6938438, 10407657, 20815314]

約数ペア:

[(1, 20815314), (2, 10407657), (3, 6938438), (6, 3469219), (13, 1601178), (26, 800589), (39, 533726), (78, 266863)]