19801140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330019}}^1$

素因数の和:330031

約数の個数: 24

約数和(自身を含む): 55443360

約数和(自身を除く): 35642220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330019, 660038, 990057, 1320076, 1650095, 1980114, 3300190, 3960228, 4950285, 6600380, 9900570, 19801140]

約数ペア:

[(1, 19801140), (2, 9900570), (3, 6600380), (4, 4950285), (5, 3960228), (6, 3300190), (10, 1980114), (12, 1650095), (15, 1320076), (20, 990057), (30, 660038), (60, 330019)]