20426487

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2339}}^1$

素因数の和:2454

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 7878153

約数列:

[1, 3, 41, 71, 123, 213, 2339, 2911, 7017, 8733, 95899, 166069, 287697, 498207, 6808829, 20426487]

約数ペア:

[(1, 20426487), (3, 6808829), (41, 498207), (71, 287697), (123, 166069), (213, 95899), (2339, 8733), (2911, 7017)]