20123090945

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{307669}}^1$

素因数の和:307904

約数の個数: 16

約数和(自身を含む): 24574218240

約数和(自身を除く): 4451127295

約数列:

[1, 5, 103, 127, 515, 635, 13081, 65405, 307669, 1538345, 31689907, 39073963, 158449535, 195369815, 4024618189, 20123090945]

約数ペア:

[(1, 20123090945), (5, 4024618189), (103, 195369815), (127, 158449535), (515, 39073963), (635, 31689907), (13081, 1538345), (65405, 307669)]