20109087

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39199}}^1$

素因数の和:39227

約数の個数: 16

約数和(自身を含む): 31360000

約数和(自身を除く): 11250913

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39199, 117597, 352791, 744781, 1058373, 2234343, 6703029, 20109087]

約数ペア:

[(1, 20109087), (3, 6703029), (9, 2234343), (19, 1058373), (27, 744781), (57, 352791), (171, 117597), (513, 39199)]