20420103

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19961}}^1$

素因数の和:20006

約数の個数: 16

約数和(自身を含む): 30661632

約数和(自身を除く): 10241529

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 19961, 59883, 219571, 618791, 658713, 1856373, 6806701, 20420103]

約数ペア:

[(1, 20420103), (3, 6806701), (11, 1856373), (31, 658713), (33, 618791), (93, 219571), (341, 59883), (1023, 19961)]