20682563321

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{26849}}^1$

素因数の和:27141

約数の個数: 24

約数和(自身を含む): 24487200000

約数和(自身を除く): 3804636679

約数列:

[1, 7, 49, 79, 199, 553, 1393, 3871, 9751, 15721, 26849, 110047, 187943, 770329, 1315601, 2121071, 5342951, 14847497, 37400657, 103932479, 261804599, 422093129, 2954651903, 20682563321]

約数ペア:

[(1, 20682563321), (7, 2954651903), (49, 422093129), (79, 261804599), (199, 103932479), (553, 37400657), (1393, 14847497), (3871, 5342951), (9751, 2121071), (15721, 1315601), (26849, 770329), (110047, 187943)]