20817000

素因数分解:

$2^3\times 3^4\times 5^3\times {\mathrm{257}}^1$

素因数の和:290

約数の個数: 160

約数和(自身を含む): 73050120

約数和(自身を除く): 52233120

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, 257, 270, 300, 324, 360, 375, 405, 450, 500, 514, 540, 600, 648, 675, 750, 771, 810, 900, 1000, 1028, 1080, 1125, 1285, 1350, 1500, 1542, 1620, 1800, 2025, 2056, 2250, 2313, 2570, 2700, 3000, 3084, 3240, 3375, 3855, 4050, 4500, 4626, 5140, 5400, 6168, 6425, 6750, 6939, 7710, 8100, 9000, 9252, 10125, 10280, 11565, 12850, 13500, 13878, 15420, 16200, 18504, 19275, 20250, 20817, 23130, 25700, 27000, 27756, 30840, 32125, 34695, 38550, 40500, 41634, 46260, 51400, 55512, 57825, 64250, 69390, 77100, 81000, 83268, 92520, 96375, 104085, 115650, 128500, 138780, 154200, 166536, 173475, 192750, 208170, 231300, 257000, 277560, 289125, 346950, 385500, 416340, 462600, 520425, 578250, 693900, 771000, 832680, 867375, 1040850, 1156500, 1387800, 1734750, 2081700, 2313000, 2602125, 3469500, 4163400, 5204250, 6939000, 10408500, 20817000]

約数ペア:

[(1, 20817000), (2, 10408500), (3, 6939000), (4, 5204250), (5, 4163400), (6, 3469500), (8, 2602125), (9, 2313000), (10, 2081700), (12, 1734750), (15, 1387800), (18, 1156500), (20, 1040850), (24, 867375), (25, 832680), (27, 771000), (30, 693900), (36, 578250), (40, 520425), (45, 462600), (50, 416340), (54, 385500), (60, 346950), (72, 289125), (75, 277560), (81, 257000), (90, 231300), (100, 208170), (108, 192750), (120, 173475), (125, 166536), (135, 154200), (150, 138780), (162, 128500), (180, 115650), (200, 104085), (216, 96375), (225, 92520), (250, 83268), (257, 81000), (270, 77100), (300, 69390), (324, 64250), (360, 57825), (375, 55512), (405, 51400), (450, 46260), (500, 41634), (514, 40500), (540, 38550), (600, 34695), (648, 32125), (675, 30840), (750, 27756), (771, 27000), (810, 25700), (900, 23130), (1000, 20817), (1028, 20250), (1080, 19275), (1125, 18504), (1285, 16200), (1350, 15420), (1500, 13878), (1542, 13500), (1620, 12850), (1800, 11565), (2025, 10280), (2056, 10125), (2250, 9252), (2313, 9000), (2570, 8100), (2700, 7710), (3000, 6939), (3084, 6750), (3240, 6425), (3375, 6168), (3855, 5400), (4050, 5140), (4500, 4626)]