20949018

素因数分解:

$2^1\times 3^1\times {\mathrm{499}}^1\times {\mathrm{6997}}^1$

素因数の和:7501

約数の個数: 16

約数和(自身を含む): 41988000

約数和(自身を除く): 21038982

約数列:

[1, 2, 3, 6, 499, 998, 1497, 2994, 6997, 13994, 20991, 41982, 3491503, 6983006, 10474509, 20949018]

約数ペア:

[(1, 20949018), (2, 10474509), (3, 6983006), (6, 3491503), (499, 41982), (998, 20991), (1497, 13994), (2994, 6997)]