20290305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1117}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 37350144

約数和(自身を除く): 17059839

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 173, 519, 865, 1117, 1211, 2595, 3351, 3633, 5585, 6055, 7819, 16755, 18165, 23457, 39095, 117285, 193241, 579723, 966205, 1352687, 2898615, 4058061, 6763435, 20290305]

約数ペア:

[(1, 20290305), (3, 6763435), (5, 4058061), (7, 2898615), (15, 1352687), (21, 966205), (35, 579723), (105, 193241), (173, 117285), (519, 39095), (865, 23457), (1117, 18165), (1211, 16755), (2595, 7819), (3351, 6055), (3633, 5585)]