19844720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35437}}^1$

素因数の和:35457

約数の個数: 40

約数和(自身を含む): 52731744

約数和(自身を除く): 32887024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35437, 70874, 141748, 177185, 248059, 283496, 354370, 496118, 566992, 708740, 992236, 1240295, 1417480, 1984472, 2480590, 2834960, 3968944, 4961180, 9922360, 19844720]

約数ペア:

[(1, 19844720), (2, 9922360), (4, 4961180), (5, 3968944), (7, 2834960), (8, 2480590), (10, 1984472), (14, 1417480), (16, 1240295), (20, 992236), (28, 708740), (35, 566992), (40, 496118), (56, 354370), (70, 283496), (80, 248059), (112, 177185), (140, 141748), (280, 70874), (560, 35437)]