2016392020

素因数分解:

$2^2\times 5^1\times {\mathrm{4451}}^1\times {\mathrm{22651}}^1$

素因数の和:27111

約数の個数: 24

約数和(自身を含む): 4235561568

約数和(自身を除く): 2219169548

約数列:

[1, 2, 4, 5, 10, 20, 4451, 8902, 17804, 22255, 22651, 44510, 45302, 89020, 90604, 113255, 226510, 453020, 100819601, 201639202, 403278404, 504098005, 1008196010, 2016392020]

約数ペア:

[(1, 2016392020), (2, 1008196010), (4, 504098005), (5, 403278404), (10, 201639202), (20, 100819601), (4451, 453020), (8902, 226510), (17804, 113255), (22255, 90604), (22651, 89020), (44510, 45302)]