20315115

素因数分解:

$3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1301}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 35341488

約数和(自身を除く): 15026373

約数列:

[1, 3, 5, 9, 15, 45, 347, 1041, 1301, 1735, 3123, 3903, 5205, 6505, 11709, 15615, 19515, 58545, 451447, 1354341, 2257235, 4063023, 6771705, 20315115]

約数ペア:

[(1, 20315115), (3, 6771705), (5, 4063023), (9, 2257235), (15, 1354341), (45, 451447), (347, 58545), (1041, 19515), (1301, 15615), (1735, 11709), (3123, 6505), (3903, 5205)]