20778716

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{2341}}^1$

素因数の和:2669

約数の個数: 24

約数和(自身を含む): 41706336

約数和(自身を除く): 20927620

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2219, 2341, 4438, 4682, 8876, 9364, 16387, 32774, 65548, 742097, 1484194, 2968388, 5194679, 10389358, 20778716]

約数ペア:

[(1, 20778716), (2, 10389358), (4, 5194679), (7, 2968388), (14, 1484194), (28, 742097), (317, 65548), (634, 32774), (1268, 16387), (2219, 9364), (2341, 8876), (4438, 4682)]