20168139

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5281}}^1$

素因数の和:5370

約数の個数: 16

約数和(自身を含む): 28734080

約数和(自身を除く): 8565941

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 5281, 15843, 100339, 301017, 353827, 1061481, 6722713, 20168139]

約数ペア:

[(1, 20168139), (3, 6722713), (19, 1061481), (57, 353827), (67, 301017), (201, 100339), (1273, 15843), (3819, 5281)]