20168637561

素因数分解:

$3^2\times {\mathrm{821}}^1\times {\mathrm{2729549}}^1$

素因数の和:2730376

約数の個数: 12

約数和(自身を含む): 29167971300

約数和(自身を除く): 8999333739

約数列:

[1, 3, 9, 821, 2463, 7389, 2729549, 8188647, 24565941, 2240959729, 6722879187, 20168637561]

約数ペア:

[(1, 20168637561), (3, 6722879187), (9, 2240959729), (821, 24565941), (2463, 8188647), (7389, 2729549)]