20685728

素因数分解:

$2^5\times 7^1\times {\mathrm{92347}}^1$

素因数の和:92364

約数の個数: 24

約数和(自身を含む): 46543392

約数和(自身を除く): 25857664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 92347, 184694, 369388, 646429, 738776, 1292858, 1477552, 2585716, 2955104, 5171432, 10342864, 20685728]

約数ペア:

[(1, 20685728), (2, 10342864), (4, 5171432), (7, 2955104), (8, 2585716), (14, 1477552), (16, 1292858), (28, 738776), (32, 646429), (56, 369388), (112, 184694), (224, 92347)]