20187208075

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{6164033}}^1$

素因数の和:6164174

約数の個数: 12

約数和(自身を含む): 25223227128

約数和(自身を除く): 5036019053

約数列:

[1, 5, 25, 131, 655, 3275, 6164033, 30820165, 154100825, 807488323, 4037441615, 20187208075]

約数ペア:

[(1, 20187208075), (5, 4037441615), (25, 807488323), (131, 154100825), (655, 30820165), (3275, 6164033)]