20745505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{5167}}^1$

素因数の和:5256

約数の個数: 16

約数和(自身を含む): 27535104

約数和(自身を除く): 6789599

約数列:

[1, 5, 11, 55, 73, 365, 803, 4015, 5167, 25835, 56837, 284185, 377191, 1885955, 4149101, 20745505]

約数ペア:

[(1, 20745505), (5, 4149101), (11, 1885955), (55, 377191), (73, 284185), (365, 56837), (803, 25835), (4015, 5167)]