20199552795

素因数分解:

$3^4\times 5^1\times {\mathrm{49875439}}^1$

素因数の和:49875456

約数の個数: 20

約数和(自身を含む): 36209569440

約数和(自身を除く): 16010016645

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49875439, 149626317, 249377195, 448878951, 748131585, 1346636853, 2244394755, 4039910559, 6733184265, 20199552795]

約数ペア:

[(1, 20199552795), (3, 6733184265), (5, 4039910559), (9, 2244394755), (15, 1346636853), (27, 748131585), (45, 448878951), (81, 249377195), (135, 149626317), (405, 49875439)]