20814000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{3469}}^1$

素因数の和:3495

約数の個数: 80

約数和(自身を含む): 67123680

約数和(自身を除く): 46309680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 750, 1000, 1200, 1500, 2000, 3000, 3469, 6000, 6938, 10407, 13876, 17345, 20814, 27752, 34690, 41628, 52035, 55504, 69380, 83256, 86725, 104070, 138760, 166512, 173450, 208140, 260175, 277520, 346900, 416280, 433625, 520350, 693800, 832560, 867250, 1040700, 1300875, 1387600, 1734500, 2081400, 2601750, 3469000, 4162800, 5203500, 6938000, 10407000, 20814000]

約数ペア:

[(1, 20814000), (2, 10407000), (3, 6938000), (4, 5203500), (5, 4162800), (6, 3469000), (8, 2601750), (10, 2081400), (12, 1734500), (15, 1387600), (16, 1300875), (20, 1040700), (24, 867250), (25, 832560), (30, 693800), (40, 520350), (48, 433625), (50, 416280), (60, 346900), (75, 277520), (80, 260175), (100, 208140), (120, 173450), (125, 166512), (150, 138760), (200, 104070), (240, 86725), (250, 83256), (300, 69380), (375, 55504), (400, 52035), (500, 41628), (600, 34690), (750, 27752), (1000, 20814), (1200, 17345), (1500, 13876), (2000, 10407), (3000, 6938), (3469, 6000)]