20804950719

素因数分解:

$3^2\times 7^4\times {\mathrm{962791}}^1$

素因数の和:962825

約数の個数: 30

約数和(自身を含む): 35058145096

約数和(自身を除く): 14253194377

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2401, 3087, 7203, 21609, 962791, 2888373, 6739537, 8665119, 20218611, 47176759, 60655833, 141530277, 330237313, 424590831, 990711939, 2311661191, 2972135817, 6934983573, 20804950719]

約数ペア:

[(1, 20804950719), (3, 6934983573), (7, 2972135817), (9, 2311661191), (21, 990711939), (49, 424590831), (63, 330237313), (147, 141530277), (343, 60655833), (441, 47176759), (1029, 20218611), (2401, 8665119), (3087, 6739537), (7203, 2888373), (21609, 962791)]