20912941

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5669}}^1$

素因数の和:5724

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 5214419

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5669, 39683, 96373, 175739, 674611, 1230173, 2987563, 20912941]

約数ペア:

[(1, 20912941), (7, 2987563), (17, 1230173), (31, 674611), (119, 175739), (217, 96373), (527, 39683), (3689, 5669)]