20280482620

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{914359}}^1$

素因数の和:915477

約数の個数: 24

約数和(自身を含む): 42627463200

約数和(自身を除く): 22346980580

約数列:

[1, 2, 4, 5, 10, 20, 1109, 2218, 4436, 5545, 11090, 22180, 914359, 1828718, 3657436, 4571795, 9143590, 18287180, 1014024131, 2028048262, 4056096524, 5070120655, 10140241310, 20280482620]

約数ペア:

[(1, 20280482620), (2, 10140241310), (4, 5070120655), (5, 4056096524), (10, 2028048262), (20, 1014024131), (1109, 18287180), (2218, 9143590), (4436, 4571795), (5545, 3657436), (11090, 1828718), (22180, 914359)]