20199458181

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{126613}}^1$

素因数の和:126801

約数の個数: 32

約数和(自身を含む): 31505614848

約数和(自身を除く): 11306156667

約数列:

[1, 3, 7, 21, 71, 107, 213, 321, 497, 749, 1491, 2247, 7597, 22791, 53179, 126613, 159537, 379839, 886291, 2658873, 8989523, 13547591, 26968569, 40642773, 62926661, 94833137, 188779983, 284499411, 961878961, 2885636883, 6733152727, 20199458181]

約数ペア:

[(1, 20199458181), (3, 6733152727), (7, 2885636883), (21, 961878961), (71, 284499411), (107, 188779983), (213, 94833137), (321, 62926661), (497, 40642773), (749, 26968569), (1491, 13547591), (2247, 8989523), (7597, 2658873), (22791, 886291), (53179, 379839), (126613, 159537)]