20158817

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 23887872

約数和(自身を除く): 3729055

約数列:

[1, 7, 47, 71, 329, 497, 863, 3337, 6041, 23359, 40561, 61273, 283927, 428911, 2879831, 20158817]

約数ペア:

[(1, 20158817), (7, 2879831), (47, 428911), (71, 283927), (329, 61273), (497, 40561), (863, 23359), (3337, 6041)]