20389103

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5527}}^1$

素因数の和:5582

約数の個数: 16

約数和(自身を含む): 25473024

約数和(自身を除く): 5083921

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5527, 38689, 93959, 171337, 657713, 1199359, 2912729, 20389103]

約数ペア:

[(1, 20389103), (7, 2912729), (17, 1199359), (31, 657713), (119, 171337), (217, 93959), (527, 38689), (3689, 5527)]