19962620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43397}}^1$

素因数の和:43429

約数の個数: 24

約数和(自身を含む): 43745184

約数和(自身を除く): 23782564

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43397, 86794, 173588, 216985, 433970, 867940, 998131, 1996262, 3992524, 4990655, 9981310, 19962620]

約数ペア:

[(1, 19962620), (2, 9981310), (4, 4990655), (5, 3992524), (10, 1996262), (20, 998131), (23, 867940), (46, 433970), (92, 216985), (115, 173588), (230, 86794), (460, 43397)]