20887790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27127}}^1$

素因数の和:27152

約数の個数: 32

約数和(自身を含む): 46877184

約数和(自身を除く): 25989394

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27127, 54254, 135635, 189889, 271270, 298397, 379778, 596794, 949445, 1491985, 1898890, 2088779, 2983970, 4177558, 10443895, 20887790]

約数ペア:

[(1, 20887790), (2, 10443895), (5, 4177558), (7, 2983970), (10, 2088779), (11, 1898890), (14, 1491985), (22, 949445), (35, 596794), (55, 379778), (70, 298397), (77, 271270), (110, 189889), (154, 135635), (385, 54254), (770, 27127)]