20805208

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{55333}}^1$

素因数の和:55386

約数の個数: 16

約数和(自身を含む): 39840480

約数和(自身を除く): 19035272

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 55333, 110666, 221332, 442664, 2600651, 5201302, 10402604, 20805208]

約数ペア:

[(1, 20805208), (2, 10402604), (4, 5201302), (8, 2600651), (47, 442664), (94, 221332), (188, 110666), (376, 55333)]