20468620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44497}}^1$

素因数の和:44529

約数の個数: 24

約数和(自身を含む): 44853984

約数和(自身を除く): 24385364

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44497, 88994, 177988, 222485, 444970, 889940, 1023431, 2046862, 4093724, 5117155, 10234310, 20468620]

約数ペア:

[(1, 20468620), (2, 10234310), (4, 5117155), (5, 4093724), (10, 2046862), (20, 1023431), (23, 889940), (46, 444970), (92, 222485), (115, 177988), (230, 88994), (460, 44497)]