20209760

素因数分解:

$2^5\times 5^1\times {\mathrm{126311}}^1$

素因数の和:126326

約数の個数: 24

約数和(自身を含む): 47745936

約数和(自身を除く): 27536176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126311, 252622, 505244, 631555, 1010488, 1263110, 2020976, 2526220, 4041952, 5052440, 10104880, 20209760]

約数ペア:

[(1, 20209760), (2, 10104880), (4, 5052440), (5, 4041952), (8, 2526220), (10, 2020976), (16, 1263110), (20, 1010488), (32, 631555), (40, 505244), (80, 252622), (160, 126311)]