20730963

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{977}}^1$

素因数の和:1634

約数の個数: 16

約数和(自身を含む): 30231936

約数和(自身を除く): 9500973

約数列:

[1, 3, 11, 33, 643, 977, 1929, 2931, 7073, 10747, 21219, 32241, 628211, 1884633, 6910321, 20730963]

約数ペア:

[(1, 20730963), (3, 6910321), (11, 1884633), (33, 628211), (643, 32241), (977, 21219), (1929, 10747), (2931, 7073)]