20428870779

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1249243}}^1$

素因数の和:1249351

約数の個数: 24

約数和(自身を含む): 31181130240

約数和(自身を除く): 10752259461

約数列:

[1, 3, 9, 23, 69, 79, 207, 237, 711, 1817, 5451, 16353, 1249243, 3747729, 11243187, 28732589, 86197767, 98690197, 258593301, 296070591, 888211773, 2269874531, 6809623593, 20428870779]

約数ペア:

[(1, 20428870779), (3, 6809623593), (9, 2269874531), (23, 888211773), (69, 296070591), (79, 258593301), (207, 98690197), (237, 86197767), (711, 28732589), (1817, 11243187), (5451, 3747729), (16353, 1249243)]