20546576

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31321}}^1$

素因数の和:31370

約数の個数: 20

約数和(自身を含む): 40781244

約数和(自身を除く): 20234668

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31321, 62642, 125284, 250568, 501136, 1284161, 2568322, 5136644, 10273288, 20546576]

約数ペア:

[(1, 20546576), (2, 10273288), (4, 5136644), (8, 2568322), (16, 1284161), (41, 501136), (82, 250568), (164, 125284), (328, 62642), (656, 31321)]