20507000

素因数分解:

$2^3\times 5^3\times {\mathrm{20507}}^1$

素因数の和:20528

約数の個数: 32

約数和(自身を含む): 47988720

約数和(自身を除く): 27481720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 20507, 41014, 82028, 102535, 164056, 205070, 410140, 512675, 820280, 1025350, 2050700, 2563375, 4101400, 5126750, 10253500, 20507000]

約数ペア:

[(1, 20507000), (2, 10253500), (4, 5126750), (5, 4101400), (8, 2563375), (10, 2050700), (20, 1025350), (25, 820280), (40, 512675), (50, 410140), (100, 205070), (125, 164056), (200, 102535), (250, 82028), (500, 41014), (1000, 20507)]