20319152

素因数分解:

$2^4\times 7^1\times {\mathrm{181421}}^1$

素因数の和:181436

約数の個数: 20

約数和(自身を含む): 44992656

約数和(自身を除く): 24673504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181421, 362842, 725684, 1269947, 1451368, 2539894, 2902736, 5079788, 10159576, 20319152]

約数ペア:

[(1, 20319152), (2, 10159576), (4, 5079788), (7, 2902736), (8, 2539894), (14, 1451368), (16, 1269947), (28, 725684), (56, 362842), (112, 181421)]