20321728

素因数分解:

$2^6\times 7^1\times {\mathrm{45361}}^1$

素因数の和:45380

約数の個数: 28

約数和(自身を含む): 46087792

約数和(自身を除く): 25766064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 45361, 90722, 181444, 317527, 362888, 635054, 725776, 1270108, 1451552, 2540216, 2903104, 5080432, 10160864, 20321728]

約数ペア:

[(1, 20321728), (2, 10160864), (4, 5080432), (7, 2903104), (8, 2540216), (14, 1451552), (16, 1270108), (28, 725776), (32, 635054), (56, 362888), (64, 317527), (112, 181444), (224, 90722), (448, 45361)]