202220180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{100109}}^1$

素因数の和:100219

約数の個数: 24

約数和(自身を含む): 428871240

約数和(自身を除く): 226651060

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 100109, 200218, 400436, 500545, 1001090, 2002180, 10111009, 20222018, 40444036, 50555045, 101110090, 202220180]

約数ペア:

[(1, 202220180), (2, 101110090), (4, 50555045), (5, 40444036), (10, 20222018), (20, 10111009), (101, 2002180), (202, 1001090), (404, 500545), (505, 400436), (1010, 200218), (2020, 100109)]