20102868

素因数分解:

$2^2\times 3^2\times {\mathrm{558413}}^1$

素因数の和:558423

約数の個数: 18

約数和(自身を含む): 50815674

約数和(自身を除く): 30712806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 558413, 1116826, 1675239, 2233652, 3350478, 5025717, 6700956, 10051434, 20102868]

約数ペア:

[(1, 20102868), (2, 10051434), (3, 6700956), (4, 5025717), (6, 3350478), (9, 2233652), (12, 1675239), (18, 1116826), (36, 558413)]