20198949

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5051}}^1$

素因数の和:5128

約数の個数: 16

約数和(自身を含む): 28452864

約数和(自身を除く): 8253915

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 5051, 15153, 156581, 217193, 469743, 651579, 6732983, 20198949]

約数ペア:

[(1, 20198949), (3, 6732983), (31, 651579), (43, 469743), (93, 217193), (129, 156581), (1333, 15153), (3999, 5051)]