20318652

素因数分解:

$2^2\times 3^2\times {\mathrm{564407}}^1$

素因数の和:564417

約数の個数: 18

約数和(自身を含む): 51361128

約数和(自身を除く): 31042476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 564407, 1128814, 1693221, 2257628, 3386442, 5079663, 6772884, 10159326, 20318652]

約数ペア:

[(1, 20318652), (2, 10159326), (3, 6772884), (4, 5079663), (6, 3386442), (9, 2257628), (12, 1693221), (18, 1128814), (36, 564407)]