20081016

素因数分解:

$2^3\times 3^2\times {\mathrm{278903}}^1$

素因数の和:278915

約数の個数: 24

約数和(自身を含む): 54386280

約数和(自身を除く): 34305264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 278903, 557806, 836709, 1115612, 1673418, 2231224, 2510127, 3346836, 5020254, 6693672, 10040508, 20081016]

約数ペア:

[(1, 20081016), (2, 10040508), (3, 6693672), (4, 5020254), (6, 3346836), (8, 2510127), (9, 2231224), (12, 1673418), (18, 1115612), (24, 836709), (36, 557806), (72, 278903)]