2020230820

素因数分解:

$2^2\times 5^1\times {\mathrm{4021}}^1\times {\mathrm{25121}}^1$

素因数の和:29151

約数の個数: 24

約数和(自身を含む): 4243708728

約数和(自身を除く): 2223477908

約数列:

[1, 2, 4, 5, 10, 20, 4021, 8042, 16084, 20105, 25121, 40210, 50242, 80420, 100484, 125605, 251210, 502420, 101011541, 202023082, 404046164, 505057705, 1010115410, 2020230820]

約数ペア:

[(1, 2020230820), (2, 1010115410), (4, 505057705), (5, 404046164), (10, 202023082), (20, 101011541), (4021, 502420), (8042, 251210), (16084, 125605), (20105, 100484), (25121, 80420), (40210, 50242)]