19802460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330041}}^1$

素因数の和:330053

約数の個数: 24

約数和(自身を含む): 55447056

約数和(自身を除く): 35644596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330041, 660082, 990123, 1320164, 1650205, 1980246, 3300410, 3960492, 4950615, 6600820, 9901230, 19802460]

約数ペア:

[(1, 19802460), (2, 9901230), (3, 6600820), (4, 4950615), (5, 3960492), (6, 3300410), (10, 1980246), (12, 1650205), (15, 1320164), (20, 990123), (30, 660082), (60, 330041)]