20619155

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{929}}^1$

素因数の和:1150

約数の個数: 16

約数和(自身を含む): 25980480

約数和(自身を除く): 5361325

約数列:

[1, 5, 23, 115, 193, 929, 965, 4439, 4645, 21367, 22195, 106835, 179297, 896485, 4123831, 20619155]

約数ペア:

[(1, 20619155), (5, 4123831), (23, 896485), (115, 179297), (193, 106835), (929, 22195), (965, 21367), (4439, 4645)]