20884360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{74587}}^1$

素因数の和:74605

約数の個数: 32

約数和(自身を含む): 53703360

約数和(自身を除く): 32819000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 74587, 149174, 298348, 372935, 522109, 596696, 745870, 1044218, 1491740, 2088436, 2610545, 2983480, 4176872, 5221090, 10442180, 20884360]

約数ペア:

[(1, 20884360), (2, 10442180), (4, 5221090), (5, 4176872), (7, 2983480), (8, 2610545), (10, 2088436), (14, 1491740), (20, 1044218), (28, 745870), (35, 596696), (40, 522109), (56, 372935), (70, 298348), (140, 149174), (280, 74587)]