20259000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{2251}}^1$

素因数の和:2278

約数の個数: 96

約数和(自身を含む): 68505840

約数和(自身を除く): 48246840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 750, 900, 1000, 1125, 1500, 1800, 2250, 2251, 3000, 4500, 4502, 6753, 9000, 9004, 11255, 13506, 18008, 20259, 22510, 27012, 33765, 40518, 45020, 54024, 56275, 67530, 81036, 90040, 101295, 112550, 135060, 162072, 168825, 202590, 225100, 270120, 281375, 337650, 405180, 450200, 506475, 562750, 675300, 810360, 844125, 1012950, 1125500, 1350600, 1688250, 2025900, 2251000, 2532375, 3376500, 4051800, 5064750, 6753000, 10129500, 20259000]

約数ペア:

[(1, 20259000), (2, 10129500), (3, 6753000), (4, 5064750), (5, 4051800), (6, 3376500), (8, 2532375), (9, 2251000), (10, 2025900), (12, 1688250), (15, 1350600), (18, 1125500), (20, 1012950), (24, 844125), (25, 810360), (30, 675300), (36, 562750), (40, 506475), (45, 450200), (50, 405180), (60, 337650), (72, 281375), (75, 270120), (90, 225100), (100, 202590), (120, 168825), (125, 162072), (150, 135060), (180, 112550), (200, 101295), (225, 90040), (250, 81036), (300, 67530), (360, 56275), (375, 54024), (450, 45020), (500, 40518), (600, 33765), (750, 27012), (900, 22510), (1000, 20259), (1125, 18008), (1500, 13506), (1800, 11255), (2250, 9004), (2251, 9000), (3000, 6753), (4500, 4502)]