20538694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7351}}^1$

素因数の和:7491

約数の個数: 16

約数和(自身を含む): 33878016

約数和(自身を除く): 13339322

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7351, 14702, 80861, 161722, 933577, 1867154, 10269347, 20538694]

約数ペア:

[(1, 20538694), (2, 10269347), (11, 1867154), (22, 933577), (127, 161722), (254, 80861), (1397, 14702), (2794, 7351)]