20576720360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73488287}}^1$

素因数の和:73488305

約数の個数: 32

約数和(自身を含む): 52911567360

約数和(自身を除く): 32334847000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73488287, 146976574, 293953148, 367441435, 514418009, 587906296, 734882870, 1028836018, 1469765740, 2057672036, 2572090045, 2939531480, 4115344072, 5144180090, 10288360180, 20576720360]

約数ペア:

[(1, 20576720360), (2, 10288360180), (4, 5144180090), (5, 4115344072), (7, 2939531480), (8, 2572090045), (10, 2057672036), (14, 1469765740), (20, 1028836018), (28, 734882870), (35, 587906296), (40, 514418009), (56, 367441435), (70, 293953148), (140, 146976574), (280, 73488287)]