20399176

素因数分解:

$2^3\times 7^1\times {\mathrm{364271}}^1$

素因数の和:364284

約数の個数: 16

約数和(自身を含む): 43712640

約数和(自身を除く): 23313464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 364271, 728542, 1457084, 2549897, 2914168, 5099794, 10199588, 20399176]

約数ペア:

[(1, 20399176), (2, 10199588), (4, 5099794), (7, 2914168), (8, 2549897), (14, 1457084), (28, 728542), (56, 364271)]