20743876

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2851}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 38810016

約数和(自身を除く): 18066140

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 2851, 3638, 5702, 7276, 11404, 48467, 96934, 193868, 305057, 610114, 1220228, 5185969, 10371938, 20743876]

約数ペア:

[(1, 20743876), (2, 10371938), (4, 5185969), (17, 1220228), (34, 610114), (68, 305057), (107, 193868), (214, 96934), (428, 48467), (1819, 11404), (2851, 7276), (3638, 5702)]