20267553

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1997}}^1$

素因数の和:2216

約数の個数: 16

約数和(自身を含む): 28771200

約数和(自身を除く): 8503647

約数列:

[1, 3, 17, 51, 199, 597, 1997, 3383, 5991, 10149, 33949, 101847, 397403, 1192209, 6755851, 20267553]

約数ペア:

[(1, 20267553), (3, 6755851), (17, 1192209), (51, 397403), (199, 101847), (597, 33949), (1997, 10149), (3383, 5991)]