20127743985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{32728039}}^1$

素因数の和:32728088

約数の個数: 16

約数和(自身を含む): 32989864320

約数和(自身を除く): 12862120335

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 32728039, 98184117, 163640195, 490920585, 1341849599, 4025548797, 6709247995, 20127743985]

約数ペア:

[(1, 20127743985), (3, 6709247995), (5, 4025548797), (15, 1341849599), (41, 490920585), (123, 163640195), (205, 98184117), (615, 32728039)]