20199788

素因数分解:

$2^2\times 7^1\times {\mathrm{757}}^1\times {\mathrm{953}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 40495392

約数和(自身を除く): 20295604

約数列:

[1, 2, 4, 7, 14, 28, 757, 953, 1514, 1906, 3028, 3812, 5299, 6671, 10598, 13342, 21196, 26684, 721421, 1442842, 2885684, 5049947, 10099894, 20199788]

約数ペア:

[(1, 20199788), (2, 10099894), (4, 5049947), (7, 2885684), (14, 1442842), (28, 721421), (757, 26684), (953, 21196), (1514, 13342), (1906, 10598), (3028, 6671), (3812, 5299)]