2021497420

素因数分解:

$2^2\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{50261}}^1$

素因数の和:52281

約数の個数: 24

約数和(自身を含む): 4247340048

約数和(自身を除く): 2225842628

約数列:

[1, 2, 4, 5, 10, 20, 2011, 4022, 8044, 10055, 20110, 40220, 50261, 100522, 201044, 251305, 502610, 1005220, 101074871, 202149742, 404299484, 505374355, 1010748710, 2021497420]

約数ペア:

[(1, 2021497420), (2, 1010748710), (4, 505374355), (5, 404299484), (10, 202149742), (20, 101074871), (2011, 1005220), (4022, 502610), (8044, 251305), (10055, 201044), (20110, 100522), (40220, 50261)]