2019354020

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{422459}}^1$

素因数の和:422707

約数の個数: 24

約数和(自身を含む): 4258396800

約数和(自身を除く): 2239042780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 422459, 844918, 1689836, 2112295, 4224590, 8449180, 100967701, 201935402, 403870804, 504838505, 1009677010, 2019354020]

約数ペア:

[(1, 2019354020), (2, 1009677010), (4, 504838505), (5, 403870804), (10, 201935402), (20, 100967701), (239, 8449180), (478, 4224590), (956, 2112295), (1195, 1689836), (2390, 844918), (4780, 422459)]