20565832

素因数分解:

$2^3\times 7^1\times {\mathrm{443}}^1\times {\mathrm{829}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 44222400

約数和(自身を除く): 23656568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 443, 829, 886, 1658, 1772, 3101, 3316, 3544, 5803, 6202, 6632, 11606, 12404, 23212, 24808, 46424, 367247, 734494, 1468988, 2570729, 2937976, 5141458, 10282916, 20565832]

約数ペア:

[(1, 20565832), (2, 10282916), (4, 5141458), (7, 2937976), (8, 2570729), (14, 1468988), (28, 734494), (56, 367247), (443, 46424), (829, 24808), (886, 23212), (1658, 12404), (1772, 11606), (3101, 6632), (3316, 6202), (3544, 5803)]