20201771009

素因数分解:

$7^2\times {\mathrm{743}}^1\times {\mathrm{554887}}^1$

素因数の和:555644

約数の個数: 12

約数和(自身を含む): 23531690304

約数和(自身を除く): 3329919295

約数列:

[1, 7, 49, 743, 5201, 36407, 554887, 3884209, 27189463, 412281041, 2885967287, 20201771009]

約数ペア:

[(1, 20201771009), (7, 2885967287), (49, 412281041), (743, 27189463), (5201, 3884209), (36407, 554887)]