20925982

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{1123}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 39492864

約数和(自身を除く): 18566882

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1123, 1331, 1694, 2246, 2662, 7861, 9317, 12353, 15722, 18634, 24706, 86471, 135883, 172942, 271766, 951181, 1494713, 1902362, 2989426, 10462991, 20925982]

約数ペア:

[(1, 20925982), (2, 10462991), (7, 2989426), (11, 1902362), (14, 1494713), (22, 951181), (77, 271766), (121, 172942), (154, 135883), (242, 86471), (847, 24706), (1123, 18634), (1331, 15722), (1694, 12353), (2246, 9317), (2662, 7861)]