20542011

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9497}}^1$

素因数の和:9610

約数の個数: 16

約数和(自身を含む): 31609344

約数和(自身を除く): 11067333

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9497, 28491, 66479, 199437, 978191, 2934573, 6847337, 20542011]

約数ペア:

[(1, 20542011), (3, 6847337), (7, 2934573), (21, 978191), (103, 199437), (309, 66479), (721, 28491), (2163, 9497)]