20514000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:302

約数の個数: 160

約数和(自身を含む): 71495424

約数和(自身を除く): 50981424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 125, 130, 150, 156, 195, 200, 208, 240, 250, 260, 263, 300, 312, 325, 375, 390, 400, 500, 520, 526, 600, 624, 650, 750, 780, 789, 975, 1000, 1040, 1052, 1200, 1300, 1315, 1500, 1560, 1578, 1625, 1950, 2000, 2104, 2600, 2630, 3000, 3120, 3156, 3250, 3419, 3900, 3945, 4208, 4875, 5200, 5260, 6000, 6312, 6500, 6575, 6838, 7800, 7890, 9750, 10257, 10520, 12624, 13000, 13150, 13676, 15600, 15780, 17095, 19500, 19725, 20514, 21040, 26000, 26300, 27352, 31560, 32875, 34190, 39000, 39450, 41028, 51285, 52600, 54704, 63120, 65750, 68380, 78000, 78900, 82056, 85475, 98625, 102570, 105200, 131500, 136760, 157800, 164112, 170950, 197250, 205140, 256425, 263000, 273520, 315600, 341900, 394500, 410280, 427375, 512850, 526000, 683800, 789000, 820560, 854750, 1025700, 1282125, 1367600, 1578000, 1709500, 2051400, 2564250, 3419000, 4102800, 5128500, 6838000, 10257000, 20514000]

約数ペア:

[(1, 20514000), (2, 10257000), (3, 6838000), (4, 5128500), (5, 4102800), (6, 3419000), (8, 2564250), (10, 2051400), (12, 1709500), (13, 1578000), (15, 1367600), (16, 1282125), (20, 1025700), (24, 854750), (25, 820560), (26, 789000), (30, 683800), (39, 526000), (40, 512850), (48, 427375), (50, 410280), (52, 394500), (60, 341900), (65, 315600), (75, 273520), (78, 263000), (80, 256425), (100, 205140), (104, 197250), (120, 170950), (125, 164112), (130, 157800), (150, 136760), (156, 131500), (195, 105200), (200, 102570), (208, 98625), (240, 85475), (250, 82056), (260, 78900), (263, 78000), (300, 68380), (312, 65750), (325, 63120), (375, 54704), (390, 52600), (400, 51285), (500, 41028), (520, 39450), (526, 39000), (600, 34190), (624, 32875), (650, 31560), (750, 27352), (780, 26300), (789, 26000), (975, 21040), (1000, 20514), (1040, 19725), (1052, 19500), (1200, 17095), (1300, 15780), (1315, 15600), (1500, 13676), (1560, 13150), (1578, 13000), (1625, 12624), (1950, 10520), (2000, 10257), (2104, 9750), (2600, 7890), (2630, 7800), (3000, 6838), (3120, 6575), (3156, 6500), (3250, 6312), (3419, 6000), (3900, 5260), (3945, 5200), (4208, 4875)]