20386605

素因数分解:

$3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3323}}^1$

素因数の和:3740

約数の個数: 16

約数和(自身を含む): 32708160

約数和(自身を除く): 12321555

約数列:

[1, 3, 5, 15, 409, 1227, 2045, 3323, 6135, 9969, 16615, 49845, 1359107, 4077321, 6795535, 20386605]

約数ペア:

[(1, 20386605), (3, 6795535), (5, 4077321), (15, 1359107), (409, 49845), (1227, 16615), (2045, 9969), (3323, 6135)]