20555591

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1453}}^1$

素因数の和:1550

約数の個数: 16

約数和(自身を含む): 24566784

約数和(自身を除く): 4011193

約数列:

[1, 7, 43, 47, 301, 329, 1453, 2021, 10171, 14147, 62479, 68291, 437353, 478037, 2936513, 20555591]

約数ペア:

[(1, 20555591), (7, 2936513), (43, 478037), (47, 437353), (301, 68291), (329, 62479), (1453, 14147), (2021, 10171)]