20784796617

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{6551}}^1\times {\mathrm{81353}}^1$

素因数の和:87920

約数の個数: 16

約数和(自身を含む): 29849758848

約数和(自身を除く): 9064962231

約数列:

[1, 3, 13, 39, 6551, 19653, 81353, 85163, 244059, 255489, 1057589, 3172767, 532943503, 1598830509, 6928265539, 20784796617]

約数ペア:

[(1, 20784796617), (3, 6928265539), (13, 1598830509), (39, 532943503), (6551, 3172767), (19653, 1057589), (81353, 255489), (85163, 244059)]