20563000

素因数分解:

$2^3\times 5^3\times {\mathrm{20563}}^1$

素因数の和:20584

約数の個数: 32

約数和(自身を含む): 48119760

約数和(自身を除く): 27556760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 20563, 41126, 82252, 102815, 164504, 205630, 411260, 514075, 822520, 1028150, 2056300, 2570375, 4112600, 5140750, 10281500, 20563000]

約数ペア:

[(1, 20563000), (2, 10281500), (4, 5140750), (5, 4112600), (8, 2570375), (10, 2056300), (20, 1028150), (25, 822520), (40, 514075), (50, 411260), (100, 205630), (125, 164504), (200, 102815), (250, 82252), (500, 41126), (1000, 20563)]