20287792

素因数分解:

$2^4\times 7^1\times {\mathrm{181141}}^1$

素因数の和:181156

約数の個数: 20

約数和(自身を含む): 44923216

約数和(自身を除く): 24635424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181141, 362282, 724564, 1267987, 1449128, 2535974, 2898256, 5071948, 10143896, 20287792]

約数ペア:

[(1, 20287792), (2, 10143896), (4, 5071948), (7, 2898256), (8, 2535974), (14, 1449128), (16, 1267987), (28, 724564), (56, 362282), (112, 181141)]