20478522078

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3316897}}^1$

素因数の和:3316926

約数の個数: 48

約数和(自身を含む): 51743608800

約数和(自身を除く): 31265086722

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 6174, 3316897, 6633794, 9950691, 19901382, 23218279, 29852073, 46436558, 59704146, 69654837, 139309674, 162527953, 208964511, 325055906, 417929022, 487583859, 975167718, 1137695671, 1462751577, 2275391342, 2925503154, 3413087013, 6826174026, 10239261039, 20478522078]

約数ペア:

[(1, 20478522078), (2, 10239261039), (3, 6826174026), (6, 3413087013), (7, 2925503154), (9, 2275391342), (14, 1462751577), (18, 1137695671), (21, 975167718), (42, 487583859), (49, 417929022), (63, 325055906), (98, 208964511), (126, 162527953), (147, 139309674), (294, 69654837), (343, 59704146), (441, 46436558), (686, 29852073), (882, 23218279), (1029, 19901382), (2058, 9950691), (3087, 6633794), (6174, 3316897)]