20201287771

素因数分解:

$7^2\times {\mathrm{1451}}^1\times {\mathrm{284129}}^1$

素因数の和:285594

約数の個数: 12

約数和(自身を含む): 23515735320

約数和(自身を除く): 3314447549

約数列:

[1, 7, 49, 1451, 10157, 71099, 284129, 1988903, 13922321, 412271179, 2885898253, 20201287771]

約数ペア:

[(1, 20201287771), (7, 2885898253), (49, 412271179), (1451, 13922321), (10157, 1988903), (71099, 284129)]