19807860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330131}}^1$

素因数の和:330143

約数の個数: 24

約数和(自身を含む): 55462176

約数和(自身を除く): 35654316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330131, 660262, 990393, 1320524, 1650655, 1980786, 3301310, 3961572, 4951965, 6602620, 9903930, 19807860]

約数ペア:

[(1, 19807860), (2, 9903930), (3, 6602620), (4, 4951965), (5, 3961572), (6, 3301310), (10, 1980786), (12, 1650655), (15, 1320524), (20, 990393), (30, 660262), (60, 330131)]