20147980107

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{672743}}^1$

素因数の和:672962

約数の個数: 16

約数和(自身を含む): 27447955200

約数和(自身を除く): 7299975093

約数列:

[1, 3, 67, 149, 201, 447, 9983, 29949, 672743, 2018229, 45073781, 100238707, 135221343, 300716121, 6715993369, 20147980107]

約数ペア:

[(1, 20147980107), (3, 6715993369), (67, 300716121), (149, 135221343), (201, 100238707), (447, 45073781), (9983, 2018229), (29949, 672743)]