20387686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 14085914

約数列:

[1, 2, 11, 22, 59, 113, 118, 139, 226, 278, 649, 1243, 1298, 1529, 2486, 3058, 6667, 8201, 13334, 15707, 16402, 31414, 73337, 90211, 146674, 172777, 180422, 345554, 926713, 1853426, 10193843, 20387686]

約数ペア:

[(1, 20387686), (2, 10193843), (11, 1853426), (22, 926713), (59, 345554), (113, 180422), (118, 172777), (139, 146674), (226, 90211), (278, 73337), (649, 31414), (1243, 16402), (1298, 15707), (1529, 13334), (2486, 8201), (3058, 6667)]