19702860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328381}}^1$

素因数の和:328393

約数の個数: 24

約数和(自身を含む): 55168176

約数和(自身を除く): 35465316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328381, 656762, 985143, 1313524, 1641905, 1970286, 3283810, 3940572, 4925715, 6567620, 9851430, 19702860]

約数ペア:

[(1, 19702860), (2, 9851430), (3, 6567620), (4, 4925715), (5, 3940572), (6, 3283810), (10, 1970286), (12, 1641905), (15, 1313524), (20, 985143), (30, 656762), (60, 328381)]