20453255718

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{781673}}^1$

素因数の和:781781

約数の個数: 48

約数和(自身を含む): 48119851440

約数和(自身を除く): 27666595722

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 89, 98, 147, 178, 267, 294, 534, 623, 1246, 1869, 3738, 4361, 8722, 13083, 26166, 781673, 1563346, 2345019, 4690038, 5471711, 10943422, 16415133, 32830266, 38301977, 69568897, 76603954, 114905931, 139137794, 208706691, 229811862, 417413382, 486982279, 973964558, 1460946837, 2921893674, 3408875953, 6817751906, 10226627859, 20453255718]

約数ペア:

[(1, 20453255718), (2, 10226627859), (3, 6817751906), (6, 3408875953), (7, 2921893674), (14, 1460946837), (21, 973964558), (42, 486982279), (49, 417413382), (89, 229811862), (98, 208706691), (147, 139137794), (178, 114905931), (267, 76603954), (294, 69568897), (534, 38301977), (623, 32830266), (1246, 16415133), (1869, 10943422), (3738, 5471711), (4361, 4690038), (8722, 2345019), (13083, 1563346), (26166, 781673)]