20528121604

素因数分解:

$2^2\times {\mathrm{13681}}^1\times {\mathrm{375121}}^1$

素因数の和:388806

約数の個数: 12

約数和(自身を含む): 35926934428

約数和(自身を除く): 15398812824

約数列:

[1, 2, 4, 13681, 27362, 54724, 375121, 750242, 1500484, 5132030401, 10264060802, 20528121604]

約数ペア:

[(1, 20528121604), (2, 10264060802), (4, 5132030401), (13681, 1500484), (27362, 750242), (54724, 375121)]