20706693

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 33724416

約数和(自身を除く): 13017723

約数列:

[1, 3, 7, 21, 23, 43, 69, 129, 161, 301, 483, 903, 989, 997, 2967, 2991, 6923, 6979, 20769, 20937, 22931, 42871, 68793, 128613, 160517, 300097, 481551, 900291, 986033, 2958099, 6902231, 20706693]

約数ペア:

[(1, 20706693), (3, 6902231), (7, 2958099), (21, 986033), (23, 900291), (43, 481551), (69, 300097), (129, 160517), (161, 128613), (301, 68793), (483, 42871), (903, 22931), (989, 20937), (997, 20769), (2967, 6979), (2991, 6923)]