2019086620

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{89897}}^1$

素因数の和:91029

約数の個数: 24

約数和(自身を含む): 4243904784

約数和(自身を除く): 2224818164

約数列:

[1, 2, 4, 5, 10, 20, 1123, 2246, 4492, 5615, 11230, 22460, 89897, 179794, 359588, 449485, 898970, 1797940, 100954331, 201908662, 403817324, 504771655, 1009543310, 2019086620]

約数ペア:

[(1, 2019086620), (2, 1009543310), (4, 504771655), (5, 403817324), (10, 201908662), (20, 100954331), (1123, 1797940), (2246, 898970), (4492, 449485), (5615, 359588), (11230, 179794), (22460, 89897)]