16720956

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{9479}}^1$

素因数の和:9503

約数の個数: 54

約数和(自身を含む): 49172760

約数和(自身を除く): 32451804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 9479, 18958, 28437, 37916, 56874, 66353, 85311, 113748, 132706, 170622, 199059, 265412, 341244, 398118, 464471, 597177, 796236, 928942, 1194354, 1393413, 1857884, 2388708, 2786826, 4180239, 5573652, 8360478, 16720956]

約数ペア:

[(1, 16720956), (2, 8360478), (3, 5573652), (4, 4180239), (6, 2786826), (7, 2388708), (9, 1857884), (12, 1393413), (14, 1194354), (18, 928942), (21, 796236), (28, 597177), (36, 464471), (42, 398118), (49, 341244), (63, 265412), (84, 199059), (98, 170622), (126, 132706), (147, 113748), (196, 85311), (252, 66353), (294, 56874), (441, 37916), (588, 28437), (882, 18958), (1764, 9479)]