19802220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330037}}^1$

素因数の和:330049

約数の個数: 24

約数和(自身を含む): 55446384

約数和(自身を除く): 35644164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330037, 660074, 990111, 1320148, 1650185, 1980222, 3300370, 3960444, 4950555, 6600740, 9901110, 19802220]

約数ペア:

[(1, 19802220), (2, 9901110), (3, 6600740), (4, 4950555), (5, 3960444), (6, 3300370), (10, 1980222), (12, 1650185), (15, 1320148), (20, 990111), (30, 660074), (60, 330037)]