20160087

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1231}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 27675648

約数和(自身を除く): 7515561

約数列:

[1, 3, 53, 103, 159, 309, 1231, 3693, 5459, 16377, 65243, 126793, 195729, 380379, 6720029, 20160087]

約数ペア:

[(1, 20160087), (3, 6720029), (53, 380379), (103, 195729), (159, 126793), (309, 65243), (1231, 16377), (3693, 5459)]