20315876

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6781}}^1$

素因数の和:6899

約数の個数: 24

約数和(自身を含む): 41017536

約数和(自身を除く): 20701660

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6781, 13562, 27124, 47467, 94934, 189868, 725567, 1451134, 2902268, 5078969, 10157938, 20315876]

約数ペア:

[(1, 20315876), (2, 10157938), (4, 5078969), (7, 2902268), (14, 1451134), (28, 725567), (107, 189868), (214, 94934), (428, 47467), (749, 27124), (1498, 13562), (2996, 6781)]