20006245

素因数分解:

$5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1123}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 27515520

約数和(自身を除く): 7509275

約数列:

[1, 5, 7, 35, 509, 1123, 2545, 3563, 5615, 7861, 17815, 39305, 571607, 2858035, 4001249, 20006245]

約数ペア:

[(1, 20006245), (5, 4001249), (7, 2858035), (35, 571607), (509, 39305), (1123, 17815), (2545, 7861), (3563, 5615)]