20512019905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16608923}}^1$

素因数の和:16608960

約数の個数: 16

約数和(自身を含む): 27902992320

約数和(自身を除く): 7390972415

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 16608923, 83044615, 215915999, 315569537, 1079579995, 1577847685, 4102403981, 20512019905]

約数ペア:

[(1, 20512019905), (5, 4102403981), (13, 1577847685), (19, 1079579995), (65, 315569537), (95, 215915999), (247, 83044615), (1235, 16608923)]