20331000

素因数分解:

$2^3\times 3^4\times 5^3\times {\mathrm{251}}^1$

素因数の和:284

約数の個数: 160

約数和(自身を含む): 71351280

約数和(自身を除く): 51020280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 125, 135, 150, 162, 180, 200, 216, 225, 250, 251, 270, 300, 324, 360, 375, 405, 450, 500, 502, 540, 600, 648, 675, 750, 753, 810, 900, 1000, 1004, 1080, 1125, 1255, 1350, 1500, 1506, 1620, 1800, 2008, 2025, 2250, 2259, 2510, 2700, 3000, 3012, 3240, 3375, 3765, 4050, 4500, 4518, 5020, 5400, 6024, 6275, 6750, 6777, 7530, 8100, 9000, 9036, 10040, 10125, 11295, 12550, 13500, 13554, 15060, 16200, 18072, 18825, 20250, 20331, 22590, 25100, 27000, 27108, 30120, 31375, 33885, 37650, 40500, 40662, 45180, 50200, 54216, 56475, 62750, 67770, 75300, 81000, 81324, 90360, 94125, 101655, 112950, 125500, 135540, 150600, 162648, 169425, 188250, 203310, 225900, 251000, 271080, 282375, 338850, 376500, 406620, 451800, 508275, 564750, 677700, 753000, 813240, 847125, 1016550, 1129500, 1355400, 1694250, 2033100, 2259000, 2541375, 3388500, 4066200, 5082750, 6777000, 10165500, 20331000]

約数ペア:

[(1, 20331000), (2, 10165500), (3, 6777000), (4, 5082750), (5, 4066200), (6, 3388500), (8, 2541375), (9, 2259000), (10, 2033100), (12, 1694250), (15, 1355400), (18, 1129500), (20, 1016550), (24, 847125), (25, 813240), (27, 753000), (30, 677700), (36, 564750), (40, 508275), (45, 451800), (50, 406620), (54, 376500), (60, 338850), (72, 282375), (75, 271080), (81, 251000), (90, 225900), (100, 203310), (108, 188250), (120, 169425), (125, 162648), (135, 150600), (150, 135540), (162, 125500), (180, 112950), (200, 101655), (216, 94125), (225, 90360), (250, 81324), (251, 81000), (270, 75300), (300, 67770), (324, 62750), (360, 56475), (375, 54216), (405, 50200), (450, 45180), (500, 40662), (502, 40500), (540, 37650), (600, 33885), (648, 31375), (675, 30120), (750, 27108), (753, 27000), (810, 25100), (900, 22590), (1000, 20331), (1004, 20250), (1080, 18825), (1125, 18072), (1255, 16200), (1350, 15060), (1500, 13554), (1506, 13500), (1620, 12550), (1800, 11295), (2008, 10125), (2025, 10040), (2250, 9036), (2259, 9000), (2510, 8100), (2700, 7530), (3000, 6777), (3012, 6750), (3240, 6275), (3375, 6024), (3765, 5400), (4050, 5020), (4500, 4518)]