209652020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{361469}}^1$

素因数の和:361507

約数の個数: 24

約数和(自身を含む): 455452200

約数和(自身を除く): 245800180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 361469, 722938, 1445876, 1807345, 3614690, 7229380, 10482601, 20965202, 41930404, 52413005, 104826010, 209652020]

約数ペア:

[(1, 209652020), (2, 104826010), (4, 52413005), (5, 41930404), (10, 20965202), (20, 10482601), (29, 7229380), (58, 3614690), (116, 1807345), (145, 1445876), (290, 722938), (580, 361469)]