20180860090

素因数分解:

$2^1\times 5^1\times {\mathrm{2029}}^1\times {\mathrm{994621}}^1$

素因数の和:996657

約数の個数: 16

約数和(自身を含む): 36343487880

約数和(自身を除く): 16162627790

約数列:

[1, 2, 5, 10, 2029, 4058, 10145, 20290, 994621, 1989242, 4973105, 9946210, 2018086009, 4036172018, 10090430045, 20180860090]

約数ペア:

[(1, 20180860090), (2, 10090430045), (5, 4036172018), (10, 2018086009), (2029, 9946210), (4058, 4973105), (10145, 1989242), (20290, 994621)]