20290899

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{719}}^1$

素因数の和:1154

約数の個数: 16

約数和(自身を含む): 28339200

約数和(自身を除く): 8048301

約数列:

[1, 3, 23, 69, 409, 719, 1227, 2157, 9407, 16537, 28221, 49611, 294071, 882213, 6763633, 20290899]

約数ペア:

[(1, 20290899), (3, 6763633), (23, 882213), (69, 294071), (409, 49611), (719, 28221), (1227, 16537), (2157, 9407)]