20085897

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8443}}^1$

素因数の和:8520

約数の個数: 16

約数和(自身を含む): 29317568

約数和(自身を除く): 9231671

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 8443, 25329, 109759, 329277, 515023, 1545069, 6695299, 20085897]

約数ペア:

[(1, 20085897), (3, 6695299), (13, 1545069), (39, 515023), (61, 329277), (183, 109759), (793, 25329), (2379, 8443)]