20005538

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{62129}}^1$

素因数の和:62161

約数の個数: 16

約数和(自身を含む): 35786880

約数和(自身を除く): 15781342

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 62129, 124258, 434903, 869806, 1428967, 2857934, 10002769, 20005538]

約数ペア:

[(1, 20005538), (2, 10002769), (7, 2857934), (14, 1428967), (23, 869806), (46, 434903), (161, 124258), (322, 62129)]