20440317

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1721}}^1$

素因数の和:1868

約数の個数: 16

約数和(自身を含む): 28268352

約数和(自身を除く): 7828035

約数列:

[1, 3, 37, 107, 111, 321, 1721, 3959, 5163, 11877, 63677, 184147, 191031, 552441, 6813439, 20440317]

約数ペア:

[(1, 20440317), (3, 6813439), (37, 552441), (107, 191031), (111, 184147), (321, 63677), (1721, 11877), (3959, 5163)]