20884892

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2113}}^1$

素因数の和:2477

約数の個数: 24

約数和(自身を含む): 41907936

約数和(自身を除く): 21023044

約数列:

[1, 2, 4, 7, 14, 28, 353, 706, 1412, 2113, 2471, 4226, 4942, 8452, 9884, 14791, 29582, 59164, 745889, 1491778, 2983556, 5221223, 10442446, 20884892]

約数ペア:

[(1, 20884892), (2, 10442446), (4, 5221223), (7, 2983556), (14, 1491778), (28, 745889), (353, 59164), (706, 29582), (1412, 14791), (2113, 9884), (2471, 8452), (4226, 4942)]