20805136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{118211}}^1$

素因数の和:118230

約数の個数: 20

約数和(自身を含む): 43974864

約数和(自身を除く): 23169728

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 118211, 236422, 472844, 945688, 1300321, 1891376, 2600642, 5201284, 10402568, 20805136]

約数ペア:

[(1, 20805136), (2, 10402568), (4, 5201284), (8, 2600642), (11, 1891376), (16, 1300321), (22, 945688), (44, 472844), (88, 236422), (176, 118211)]