20887795

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4909}}^1$

素因数の和:4974

約数の個数: 16

約数和(自身を含む): 26867520

約数和(自身を除く): 5979725

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 4909, 24545, 112907, 181633, 564535, 908165, 4177559, 20887795]

約数ペア:

[(1, 20887795), (5, 4177559), (23, 908165), (37, 564535), (115, 181633), (185, 112907), (851, 24545), (4255, 4909)]