20309884

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6779}}^1$

素因数の和:6897

約数の個数: 24

約数和(自身を含む): 41005440

約数和(自身を除く): 20695556

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6779, 13558, 27116, 47453, 94906, 189812, 725353, 1450706, 2901412, 5077471, 10154942, 20309884]

約数ペア:

[(1, 20309884), (2, 10154942), (4, 5077471), (7, 2901412), (14, 1450706), (28, 725353), (107, 189812), (214, 94906), (428, 47453), (749, 27116), (1498, 13558), (2996, 6779)]