19906140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331769}}^1$

素因数の和:331781

約数の個数: 24

約数和(自身を含む): 55737360

約数和(自身を除く): 35831220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331769, 663538, 995307, 1327076, 1658845, 1990614, 3317690, 3981228, 4976535, 6635380, 9953070, 19906140]

約数ペア:

[(1, 19906140), (2, 9953070), (3, 6635380), (4, 4976535), (5, 3981228), (6, 3317690), (10, 1990614), (12, 1658845), (15, 1327076), (20, 995307), (30, 663538), (60, 331769)]