20805814928

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11507641}}^1$

素因数の和:11507762

約数の個数: 20

約数和(自身を含む): 40668006828

約数和(自身を除く): 19862191900

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11507641, 23015282, 46030564, 92061128, 184122256, 1300363433, 2600726866, 5201453732, 10402907464, 20805814928]

約数ペア:

[(1, 20805814928), (2, 10402907464), (4, 5201453732), (8, 2600726866), (16, 1300363433), (113, 184122256), (226, 92061128), (452, 46030564), (904, 23015282), (1808, 11507641)]