20682095

素因数分解:

$5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{919}}^1$

素因数の和:1574

約数の個数: 16

約数和(自身を含む): 28439040

約数和(自身を除く): 7756945

約数列:

[1, 5, 7, 35, 643, 919, 3215, 4501, 4595, 6433, 22505, 32165, 590917, 2954585, 4136419, 20682095]

約数ペア:

[(1, 20682095), (5, 4136419), (7, 2954585), (35, 590917), (643, 32165), (919, 22505), (3215, 6433), (4501, 4595)]