20523965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53309}}^1$

素因数の和:53332

約数の個数: 16

約数和(自身を含む): 30706560

約数和(自身を除く): 10182595

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53309, 266545, 373163, 586399, 1865815, 2931995, 4104793, 20523965]

約数ペア:

[(1, 20523965), (5, 4104793), (7, 2931995), (11, 1865815), (35, 586399), (55, 373163), (77, 266545), (385, 53309)]