19960360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71287}}^1$

素因数の和:71305

約数の個数: 32

約数和(自身を含む): 51327360

約数和(自身を除く): 31367000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71287, 142574, 285148, 356435, 499009, 570296, 712870, 998018, 1425740, 1996036, 2495045, 2851480, 3992072, 4990090, 9980180, 19960360]

約数ペア:

[(1, 19960360), (2, 9980180), (4, 4990090), (5, 3992072), (7, 2851480), (8, 2495045), (10, 1996036), (14, 1425740), (20, 998018), (28, 712870), (35, 570296), (40, 499009), (56, 356435), (70, 285148), (140, 142574), (280, 71287)]