20405152

素因数分解:

$2^5\times {\mathrm{601}}^1\times {\mathrm{1061}}^1$

素因数の和:1672

約数の個数: 24

約数和(自身を含む): 40277412

約数和(自身を除く): 19872260

約数列:

[1, 2, 4, 8, 16, 32, 601, 1061, 1202, 2122, 2404, 4244, 4808, 8488, 9616, 16976, 19232, 33952, 637661, 1275322, 2550644, 5101288, 10202576, 20405152]

約数ペア:

[(1, 20405152), (2, 10202576), (4, 5101288), (8, 2550644), (16, 1275322), (32, 637661), (601, 33952), (1061, 19232), (1202, 16976), (2122, 9616), (2404, 8488), (4244, 4808)]