20680564

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2683}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 37876608

約数和(自身を除く): 17196044

約数列:

[1, 2, 4, 41, 47, 82, 94, 164, 188, 1927, 2683, 3854, 5366, 7708, 10732, 110003, 126101, 220006, 252202, 440012, 504404, 5170141, 10340282, 20680564]

約数ペア:

[(1, 20680564), (2, 10340282), (4, 5170141), (41, 504404), (47, 440012), (82, 252202), (94, 220006), (164, 126101), (188, 110003), (1927, 10732), (2683, 7708), (3854, 5366)]