204050020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{443587}}^1$

素因数の和:443619

約数の個数: 24

約数和(自身を含む): 447136704

約数和(自身を除く): 243086684

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 443587, 887174, 1774348, 2217935, 4435870, 8871740, 10202501, 20405002, 40810004, 51012505, 102025010, 204050020]

約数ペア:

[(1, 204050020), (2, 102025010), (4, 51012505), (5, 40810004), (10, 20405002), (20, 10202501), (23, 8871740), (46, 4435870), (92, 2217935), (115, 1774348), (230, 887174), (460, 443587)]