20996222013

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{179454889}}^1$

素因数の和:179454908

約数の個数: 12

約数和(自身を含む): 32660789980

約数和(自身を除く): 11664567967

約数列:

[1, 3, 9, 13, 39, 117, 179454889, 538364667, 1615094001, 2332913557, 6998740671, 20996222013]

約数ペア:

[(1, 20996222013), (3, 6998740671), (9, 2332913557), (13, 1615094001), (39, 538364667), (117, 179454889)]