20286983493

素因数分解:

$3^3\times 7^1\times {\mathrm{107338537}}^1$

素因数の和:107338553

約数の個数: 16

約数和(自身を含む): 34348332160

約数和(自身を除く): 14061348667

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 107338537, 322015611, 751369759, 966046833, 2254109277, 2898140499, 6762327831, 20286983493]

約数ペア:

[(1, 20286983493), (3, 6762327831), (7, 2898140499), (9, 2254109277), (21, 966046833), (27, 751369759), (63, 322015611), (189, 107338537)]