20685668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2843}}^1$

素因数の和:2971

約数の個数: 24

約数和(自身を含む): 38701152

約数和(自身を除く): 18015484

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 2843, 3638, 5686, 7276, 11372, 48331, 96662, 193324, 304201, 608402, 1216804, 5171417, 10342834, 20685668]

約数ペア:

[(1, 20685668), (2, 10342834), (4, 5171417), (17, 1216804), (34, 608402), (68, 304201), (107, 193324), (214, 96662), (428, 48331), (1819, 11372), (2843, 7276), (3638, 5686)]