20384709

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5449}}^1$

素因数の和:5524

約数の個数: 16

約数和(自身を含む): 28776000

約数和(自身を除く): 8391291

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 5449, 16347, 158021, 234307, 474063, 702921, 6794903, 20384709]

約数ペア:

[(1, 20384709), (3, 6794903), (29, 702921), (43, 474063), (87, 234307), (129, 158021), (1247, 16347), (3741, 5449)]