20214972020

素因数分解:

$2^2\times 5^1\times {\mathrm{3089}}^1\times {\mathrm{327209}}^1$

素因数の和:330307

約数の個数: 24

約数和(自身を含む): 42465313800

約数和(自身を除く): 22250341780

約数列:

[1, 2, 4, 5, 10, 20, 3089, 6178, 12356, 15445, 30890, 61780, 327209, 654418, 1308836, 1636045, 3272090, 6544180, 1010748601, 2021497202, 4042994404, 5053743005, 10107486010, 20214972020]

約数ペア:

[(1, 20214972020), (2, 10107486010), (4, 5053743005), (5, 4042994404), (10, 2021497202), (20, 1010748601), (3089, 6544180), (6178, 3272090), (12356, 1636045), (15445, 1308836), (30890, 654418), (61780, 327209)]