20512572115

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1\times {\mathrm{5393}}^1$

素因数の和:6511

約数の個数: 32

約数和(自身を含む): 28423359360

約数和(自身を除く): 7910787245

約数列:

[1, 5, 7, 35, 109, 545, 763, 997, 3815, 4985, 5393, 6979, 26965, 34895, 37751, 108673, 188755, 543365, 587837, 760711, 2939185, 3803555, 4114859, 5376821, 20574295, 26884105, 37637747, 188188735, 586073489, 2930367445, 4102514423, 20512572115]

約数ペア:

[(1, 20512572115), (5, 4102514423), (7, 2930367445), (35, 586073489), (109, 188188735), (545, 37637747), (763, 26884105), (997, 20574295), (3815, 5376821), (4985, 4114859), (5393, 3803555), (6979, 2939185), (26965, 760711), (34895, 587837), (37751, 543365), (108673, 188755)]