20008551

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1847}}^1$

素因数の和:2030

約数の個数: 16

約数和(自身を含む): 28030464

約数和(自身を除く): 8021913

約数列:

[1, 3, 23, 69, 157, 471, 1847, 3611, 5541, 10833, 42481, 127443, 289979, 869937, 6669517, 20008551]

約数ペア:

[(1, 20008551), (3, 6669517), (23, 869937), (69, 289979), (157, 127443), (471, 42481), (1847, 10833), (3611, 5541)]