20004565

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5659}}^1$

素因数の和:5772

約数の個数: 16

約数和(自身を含む): 27711360

約数和(自身を除く): 7706795

約数列:

[1, 5, 7, 35, 101, 505, 707, 3535, 5659, 28295, 39613, 198065, 571559, 2857795, 4000913, 20004565]

約数ペア:

[(1, 20004565), (5, 4000913), (7, 2857795), (35, 571559), (101, 198065), (505, 39613), (707, 28295), (3535, 5659)]