20213424287

素因数分解:

$7^2\times {\mathrm{151}}^1\times {\mathrm{661}}^1\times {\mathrm{4133}}^1$

素因数の和:4959

約数の個数: 24

約数和(自身を含む): 23710838112

約数和(自身を除く): 3497413825

約数列:

[1, 7, 49, 151, 661, 1057, 4133, 4627, 7399, 28931, 32389, 99811, 202517, 624083, 698677, 2731913, 4368581, 4890739, 19123391, 30580067, 133863737, 412518863, 2887632041, 20213424287]

約数ペア:

[(1, 20213424287), (7, 2887632041), (49, 412518863), (151, 133863737), (661, 30580067), (1057, 19123391), (4133, 4890739), (4627, 4368581), (7399, 2731913), (28931, 698677), (32389, 624083), (99811, 202517)]