1840220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{911}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 3907008

約数和(自身を除く): 2066788

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 911, 1010, 1822, 2020, 3644, 4555, 9110, 18220, 92011, 184022, 368044, 460055, 920110, 1840220]

約数ペア:

[(1, 1840220), (2, 920110), (4, 460055), (5, 368044), (10, 184022), (20, 92011), (101, 18220), (202, 9110), (404, 4555), (505, 3644), (911, 2020), (1010, 1822)]