20081490261

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{792263}}^1$

素因数の和:792361

約数の個数: 32

約数和(自身を含む): 32856772608

約数和(自身を除く): 12775282347

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 1207, 1491, 3621, 8449, 25347, 792263, 2376789, 5545841, 13468471, 16637523, 40405413, 56250673, 94279297, 168752019, 282837891, 393754711, 956261441, 1181264133, 2868784323, 6693830087, 20081490261]

約数ペア:

[(1, 20081490261), (3, 6693830087), (7, 2868784323), (17, 1181264133), (21, 956261441), (51, 393754711), (71, 282837891), (119, 168752019), (213, 94279297), (357, 56250673), (497, 40405413), (1207, 16637523), (1491, 13468471), (3621, 5545841), (8449, 2376789), (25347, 792263)]