19927705

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13241}}^1$

素因数の和:13296

約数の個数: 16

約数和(自身を含む): 27967104

約数和(自身を除く): 8039399

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 13241, 66205, 92687, 463435, 569363, 2846815, 3985541, 19927705]

約数ペア:

[(1, 19927705), (5, 3985541), (7, 2846815), (35, 569363), (43, 463435), (215, 92687), (301, 66205), (1505, 13241)]