20760495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1213}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 38226432

約数和(自身を除く): 17465937

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 163, 489, 815, 1141, 1213, 2445, 3423, 3639, 5705, 6065, 8491, 17115, 18195, 25473, 42455, 127365, 197719, 593157, 988595, 1384033, 2965785, 4152099, 6920165, 20760495]

約数ペア:

[(1, 20760495), (3, 6920165), (5, 4152099), (7, 2965785), (15, 1384033), (21, 988595), (35, 593157), (105, 197719), (163, 127365), (489, 42455), (815, 25473), (1141, 18195), (1213, 17115), (2445, 8491), (3423, 6065), (3639, 5705)]