20206460

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5077}}^1$

素因数の和:5285

約数の個数: 24

約数和(自身を含む): 42655200

約数和(自身を除く): 22448740

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 5077, 10154, 20308, 25385, 50770, 101540, 1010323, 2020646, 4041292, 5051615, 10103230, 20206460]

約数ペア:

[(1, 20206460), (2, 10103230), (4, 5051615), (5, 4041292), (10, 2020646), (20, 1010323), (199, 101540), (398, 50770), (796, 25385), (995, 20308), (1990, 10154), (3980, 5077)]