2019477620

素因数分解:

$2^2\times 5^1\times {\mathrm{6691}}^1\times {\mathrm{15091}}^1$

素因数の和:21791

約数の個数: 24

約数和(自身を含む): 4241817888

約数和(自身を除く): 2222340268

約数列:

[1, 2, 4, 5, 10, 20, 6691, 13382, 15091, 26764, 30182, 33455, 60364, 66910, 75455, 133820, 150910, 301820, 100973881, 201947762, 403895524, 504869405, 1009738810, 2019477620]

約数ペア:

[(1, 2019477620), (2, 1009738810), (4, 504869405), (5, 403895524), (10, 201947762), (20, 100973881), (6691, 301820), (13382, 150910), (15091, 133820), (26764, 75455), (30182, 66910), (33455, 60364)]