20029800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:296

約数の個数: 192

約数和(自身を含む): 74995200

約数和(自身を除く): 54965400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 25, 28, 30, 35, 38, 40, 42, 50, 56, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 120, 133, 140, 150, 152, 168, 175, 190, 200, 210, 228, 251, 266, 280, 285, 300, 350, 380, 399, 420, 456, 475, 502, 525, 532, 570, 600, 665, 700, 753, 760, 798, 840, 950, 1004, 1050, 1064, 1140, 1255, 1330, 1400, 1425, 1506, 1596, 1757, 1900, 1995, 2008, 2100, 2280, 2510, 2660, 2850, 3012, 3192, 3325, 3514, 3765, 3800, 3990, 4200, 4769, 5020, 5271, 5320, 5700, 6024, 6275, 6650, 7028, 7530, 7980, 8785, 9538, 9975, 10040, 10542, 11400, 12550, 13300, 14056, 14307, 15060, 15960, 17570, 18825, 19076, 19950, 21084, 23845, 25100, 26355, 26600, 28614, 30120, 33383, 35140, 37650, 38152, 39900, 42168, 43925, 47690, 50200, 52710, 57228, 66766, 70280, 71535, 75300, 79800, 87850, 95380, 100149, 105420, 114456, 119225, 131775, 133532, 143070, 150600, 166915, 175700, 190760, 200298, 210840, 238450, 263550, 267064, 286140, 333830, 351400, 357675, 400596, 476900, 500745, 527100, 572280, 667660, 715350, 801192, 834575, 953800, 1001490, 1054200, 1335320, 1430700, 1669150, 2002980, 2503725, 2861400, 3338300, 4005960, 5007450, 6676600, 10014900, 20029800]

約数ペア:

[(1, 20029800), (2, 10014900), (3, 6676600), (4, 5007450), (5, 4005960), (6, 3338300), (7, 2861400), (8, 2503725), (10, 2002980), (12, 1669150), (14, 1430700), (15, 1335320), (19, 1054200), (20, 1001490), (21, 953800), (24, 834575), (25, 801192), (28, 715350), (30, 667660), (35, 572280), (38, 527100), (40, 500745), (42, 476900), (50, 400596), (56, 357675), (57, 351400), (60, 333830), (70, 286140), (75, 267064), (76, 263550), (84, 238450), (95, 210840), (100, 200298), (105, 190760), (114, 175700), (120, 166915), (133, 150600), (140, 143070), (150, 133532), (152, 131775), (168, 119225), (175, 114456), (190, 105420), (200, 100149), (210, 95380), (228, 87850), (251, 79800), (266, 75300), (280, 71535), (285, 70280), (300, 66766), (350, 57228), (380, 52710), (399, 50200), (420, 47690), (456, 43925), (475, 42168), (502, 39900), (525, 38152), (532, 37650), (570, 35140), (600, 33383), (665, 30120), (700, 28614), (753, 26600), (760, 26355), (798, 25100), (840, 23845), (950, 21084), (1004, 19950), (1050, 19076), (1064, 18825), (1140, 17570), (1255, 15960), (1330, 15060), (1400, 14307), (1425, 14056), (1506, 13300), (1596, 12550), (1757, 11400), (1900, 10542), (1995, 10040), (2008, 9975), (2100, 9538), (2280, 8785), (2510, 7980), (2660, 7530), (2850, 7028), (3012, 6650), (3192, 6275), (3325, 6024), (3514, 5700), (3765, 5320), (3800, 5271), (3990, 5020), (4200, 4769)]