20028305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1511}}^1$

素因数の和:1768

約数の個数: 16

約数和(自身を含む): 26345088

約数和(自身を除く): 6316783

約数列:

[1, 5, 11, 55, 241, 1205, 1511, 2651, 7555, 13255, 16621, 83105, 364151, 1820755, 4005661, 20028305]

約数ペア:

[(1, 20028305), (5, 4005661), (11, 1820755), (55, 364151), (241, 83105), (1205, 16621), (1511, 13255), (2651, 7555)]