20199990105

素因数分解:

$3^2\times 5^1\times {\mathrm{448888669}}^1$

素因数の和:448888680

約数の個数: 12

約数和(自身を含む): 35013316260

約数和(自身を除く): 14813326155

約数列:

[1, 3, 5, 9, 15, 45, 448888669, 1346666007, 2244443345, 4039998021, 6733330035, 20199990105]

約数ペア:

[(1, 20199990105), (3, 6733330035), (5, 4039998021), (9, 2244443345), (15, 1346666007), (45, 448888669)]