20155154

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{1087}}^1$

素因数の和:1289

約数の個数: 16

約数和(自身を含む): 30916608

約数和(自身を除く): 10761454

約数列:

[1, 2, 73, 127, 146, 254, 1087, 2174, 9271, 18542, 79351, 138049, 158702, 276098, 10077577, 20155154]

約数ペア:

[(1, 20155154), (2, 10077577), (73, 276098), (127, 158702), (146, 138049), (254, 79351), (1087, 18542), (2174, 9271)]