20987673

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{58789}}^1$

素因数の和:58816

約数の個数: 16

約数和(自身を含む): 33863040

約数和(自身を除く): 12875367

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 58789, 176367, 411523, 999413, 1234569, 2998239, 6995891, 20987673]

約数ペア:

[(1, 20987673), (3, 6995891), (7, 2998239), (17, 1234569), (21, 999413), (51, 411523), (119, 176367), (357, 58789)]