20636716

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 37031904

約数和(自身を除く): 16395188

約数列:

[1, 2, 4, 53, 106, 212, 311, 313, 622, 626, 1244, 1252, 16483, 16589, 32966, 33178, 65932, 66356, 97343, 194686, 389372, 5159179, 10318358, 20636716]

約数ペア:

[(1, 20636716), (2, 10318358), (4, 5159179), (53, 389372), (106, 194686), (212, 97343), (311, 66356), (313, 65932), (622, 33178), (626, 32966), (1244, 16589), (1252, 16483)]