20207080

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1319}}^1$

素因数の和:1713

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 25412120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1319, 1532, 1915, 2638, 3064, 3830, 5276, 6595, 7660, 10552, 13190, 15320, 26380, 52760, 505177, 1010354, 2020708, 2525885, 4041416, 5051770, 10103540, 20207080]

約数ペア:

[(1, 20207080), (2, 10103540), (4, 5051770), (5, 4041416), (8, 2525885), (10, 2020708), (20, 1010354), (40, 505177), (383, 52760), (766, 26380), (1319, 15320), (1532, 13190), (1915, 10552), (2638, 7660), (3064, 6595), (3830, 5276)]