20761895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53927}}^1$

素因数の和:53950

約数の個数: 16

約数和(自身を含む): 31062528

約数和(自身を除く): 10300633

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53927, 269635, 377489, 593197, 1887445, 2965985, 4152379, 20761895]

約数ペア:

[(1, 20761895), (5, 4152379), (7, 2965985), (11, 1887445), (35, 593197), (55, 377489), (77, 269635), (385, 53927)]