20816799

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5987}}^1$

素因数の和:6070

約数の個数: 16

約数和(自身を含む): 29700480

約数和(自身を除く): 8883681

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 5987, 17961, 113753, 341259, 365207, 1095621, 6938933, 20816799]

約数ペア:

[(1, 20816799), (3, 6938933), (19, 1095621), (57, 365207), (61, 341259), (183, 113753), (1159, 17961), (3477, 5987)]