20475644

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15559}}^1$

素因数の和:15617

約数の個数: 24

約数和(自身を含む): 41825280

約数和(自身を除く): 21349636

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15559, 31118, 62236, 108913, 217826, 435652, 731273, 1462546, 2925092, 5118911, 10237822, 20475644]

約数ペア:

[(1, 20475644), (2, 10237822), (4, 5118911), (7, 2925092), (14, 1462546), (28, 731273), (47, 435652), (94, 217826), (188, 108913), (329, 62236), (658, 31118), (1316, 15559)]