20091279

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7057}}^1$

素因数の和:7146

約数の個数: 16

約数和(自身を含む): 29248352

約数和(自身を除く): 9157073

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 7057, 21171, 91741, 275223, 515161, 1545483, 6697093, 20091279]

約数ペア:

[(1, 20091279), (3, 6697093), (13, 1545483), (39, 515161), (73, 275223), (219, 91741), (949, 21171), (2847, 7057)]