20109749

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 22692096

約数和(自身を除く): 2582347

約数列:

[1, 11, 47, 97, 401, 517, 1067, 4411, 4559, 18847, 38897, 50149, 207317, 427867, 1828159, 20109749]

約数ペア:

[(1, 20109749), (11, 1828159), (47, 427867), (97, 207317), (401, 50149), (517, 38897), (1067, 18847), (4411, 4559)]