20201356

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17597}}^1$

素因数の和:17649

約数の個数: 24

約数和(自身を含む): 41390496

約数和(自身を除く): 21189140

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17597, 35194, 70388, 123179, 246358, 492716, 721477, 1442954, 2885908, 5050339, 10100678, 20201356]

約数ペア:

[(1, 20201356), (2, 10100678), (4, 5050339), (7, 2885908), (14, 1442954), (28, 721477), (41, 492716), (82, 246358), (164, 123179), (287, 70388), (574, 35194), (1148, 17597)]