2005200717

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{21851}}^1$

素因数の和:22061

約数の個数: 24

約数和(自身を含む): 2911210848

約数和(自身を除く): 906010131

約数列:

[1, 3, 13, 39, 169, 181, 507, 543, 2353, 7059, 21851, 30589, 65553, 91767, 284063, 852189, 3692819, 3955031, 11078457, 11865093, 51415403, 154246209, 668400239, 2005200717]

約数ペア:

[(1, 2005200717), (3, 668400239), (13, 154246209), (39, 51415403), (169, 11865093), (181, 11078457), (507, 3955031), (543, 3692819), (2353, 852189), (7059, 284063), (21851, 91767), (30589, 65553)]