20229909

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{521}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 31620672

約数和(自身を除く): 11390763

約数列:

[1, 3, 7, 21, 43, 129, 301, 521, 903, 1563, 1849, 3647, 5547, 10941, 12943, 22403, 38829, 67209, 156821, 470463, 963329, 2889987, 6743303, 20229909]

約数ペア:

[(1, 20229909), (3, 6743303), (7, 2889987), (21, 963329), (43, 470463), (129, 156821), (301, 67209), (521, 38829), (903, 22403), (1563, 12943), (1849, 10941), (3647, 5547)]