20087945168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{103087}}^1$

素因数の和:103755

約数の個数: 40

約数和(自身を含む): 41033147520

約数和(自身を除く): 20945202352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 641, 1282, 2564, 5128, 10256, 12179, 24358, 48716, 97432, 103087, 194864, 206174, 412348, 824696, 1649392, 1958653, 3917306, 7834612, 15669224, 31338448, 66078767, 132157534, 264315068, 528630136, 1057260272, 1255496573, 2510993146, 5021986292, 10043972584, 20087945168]

約数ペア:

[(1, 20087945168), (2, 10043972584), (4, 5021986292), (8, 2510993146), (16, 1255496573), (19, 1057260272), (38, 528630136), (76, 264315068), (152, 132157534), (304, 66078767), (641, 31338448), (1282, 15669224), (2564, 7834612), (5128, 3917306), (10256, 1958653), (12179, 1649392), (24358, 824696), (48716, 412348), (97432, 206174), (103087, 194864)]