20925000

素因数分解:

$2^3\times 3^3\times 5^5\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 192

約数和(自身を含む): 74995200

約数和(自身を除く): 54070200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 31, 36, 40, 45, 50, 54, 60, 62, 72, 75, 90, 93, 100, 108, 120, 124, 125, 135, 150, 155, 180, 186, 200, 216, 225, 248, 250, 270, 279, 300, 310, 360, 372, 375, 450, 465, 500, 540, 558, 600, 620, 625, 675, 744, 750, 775, 837, 900, 930, 1000, 1080, 1116, 1125, 1240, 1250, 1350, 1395, 1500, 1550, 1674, 1800, 1860, 1875, 2232, 2250, 2325, 2500, 2700, 2790, 3000, 3100, 3125, 3348, 3375, 3720, 3750, 3875, 4185, 4500, 4650, 5000, 5400, 5580, 5625, 6200, 6250, 6696, 6750, 6975, 7500, 7750, 8370, 9000, 9300, 9375, 11160, 11250, 11625, 12500, 13500, 13950, 15000, 15500, 16740, 16875, 18600, 18750, 19375, 20925, 22500, 23250, 25000, 27000, 27900, 28125, 31000, 33480, 33750, 34875, 37500, 38750, 41850, 45000, 46500, 55800, 56250, 58125, 67500, 69750, 75000, 77500, 83700, 84375, 93000, 96875, 104625, 112500, 116250, 135000, 139500, 155000, 167400, 168750, 174375, 193750, 209250, 225000, 232500, 279000, 290625, 337500, 348750, 387500, 418500, 465000, 523125, 581250, 675000, 697500, 775000, 837000, 871875, 1046250, 1162500, 1395000, 1743750, 2092500, 2325000, 2615625, 3487500, 4185000, 5231250, 6975000, 10462500, 20925000]

約数ペア:

[(1, 20925000), (2, 10462500), (3, 6975000), (4, 5231250), (5, 4185000), (6, 3487500), (8, 2615625), (9, 2325000), (10, 2092500), (12, 1743750), (15, 1395000), (18, 1162500), (20, 1046250), (24, 871875), (25, 837000), (27, 775000), (30, 697500), (31, 675000), (36, 581250), (40, 523125), (45, 465000), (50, 418500), (54, 387500), (60, 348750), (62, 337500), (72, 290625), (75, 279000), (90, 232500), (93, 225000), (100, 209250), (108, 193750), (120, 174375), (124, 168750), (125, 167400), (135, 155000), (150, 139500), (155, 135000), (180, 116250), (186, 112500), (200, 104625), (216, 96875), (225, 93000), (248, 84375), (250, 83700), (270, 77500), (279, 75000), (300, 69750), (310, 67500), (360, 58125), (372, 56250), (375, 55800), (450, 46500), (465, 45000), (500, 41850), (540, 38750), (558, 37500), (600, 34875), (620, 33750), (625, 33480), (675, 31000), (744, 28125), (750, 27900), (775, 27000), (837, 25000), (900, 23250), (930, 22500), (1000, 20925), (1080, 19375), (1116, 18750), (1125, 18600), (1240, 16875), (1250, 16740), (1350, 15500), (1395, 15000), (1500, 13950), (1550, 13500), (1674, 12500), (1800, 11625), (1860, 11250), (1875, 11160), (2232, 9375), (2250, 9300), (2325, 9000), (2500, 8370), (2700, 7750), (2790, 7500), (3000, 6975), (3100, 6750), (3125, 6696), (3348, 6250), (3375, 6200), (3720, 5625), (3750, 5580), (3875, 5400), (4185, 5000), (4500, 4650)]