20601147

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 32707584

約数和(自身を除く): 12106437

約数列:

[1, 3, 7, 21, 41, 71, 123, 213, 287, 337, 497, 861, 1011, 1491, 2359, 2911, 7077, 8733, 13817, 20377, 23927, 41451, 61131, 71781, 96719, 167489, 290157, 502467, 981007, 2943021, 6867049, 20601147]

約数ペア:

[(1, 20601147), (3, 6867049), (7, 2943021), (21, 981007), (41, 502467), (71, 290157), (123, 167489), (213, 96719), (287, 71781), (337, 61131), (497, 41451), (861, 23927), (1011, 20377), (1491, 13817), (2359, 8733), (2911, 7077)]