20552400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1$

素因数の和:211

約数の個数: 240

約数和(自身を含む): 80262720

約数和(自身を除く): 59710320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 27, 30, 33, 36, 40, 44, 45, 48, 50, 54, 55, 60, 66, 72, 75, 80, 88, 90, 99, 100, 108, 110, 120, 132, 135, 144, 150, 165, 173, 176, 180, 198, 200, 216, 220, 225, 240, 264, 270, 275, 297, 300, 330, 346, 360, 396, 400, 432, 440, 450, 495, 519, 528, 540, 550, 594, 600, 660, 675, 692, 720, 792, 825, 865, 880, 900, 990, 1038, 1080, 1100, 1188, 1200, 1320, 1350, 1384, 1485, 1557, 1584, 1650, 1730, 1800, 1903, 1980, 2076, 2160, 2200, 2376, 2475, 2595, 2640, 2700, 2768, 2970, 3114, 3300, 3460, 3600, 3806, 3960, 4152, 4325, 4400, 4671, 4752, 4950, 5190, 5400, 5709, 5940, 6228, 6600, 6920, 7425, 7612, 7785, 7920, 8304, 8650, 9342, 9515, 9900, 10380, 10800, 11418, 11880, 12456, 12975, 13200, 13840, 14850, 15224, 15570, 17127, 17300, 18684, 19030, 19800, 20760, 22836, 23355, 23760, 24912, 25950, 28545, 29700, 30448, 31140, 34254, 34600, 37368, 38060, 38925, 39600, 41520, 45672, 46710, 47575, 51381, 51900, 57090, 59400, 62280, 68508, 69200, 74736, 76120, 77850, 85635, 91344, 93420, 95150, 102762, 103800, 114180, 116775, 118800, 124560, 137016, 142725, 152240, 155700, 171270, 186840, 190300, 205524, 207600, 228360, 233550, 256905, 274032, 285450, 311400, 342540, 373680, 380600, 411048, 428175, 456720, 467100, 513810, 570900, 622800, 685080, 761200, 822096, 856350, 934200, 1027620, 1141800, 1284525, 1370160, 1712700, 1868400, 2055240, 2283600, 2569050, 3425400, 4110480, 5138100, 6850800, 10276200, 20552400]

約数ペア:

[(1, 20552400), (2, 10276200), (3, 6850800), (4, 5138100), (5, 4110480), (6, 3425400), (8, 2569050), (9, 2283600), (10, 2055240), (11, 1868400), (12, 1712700), (15, 1370160), (16, 1284525), (18, 1141800), (20, 1027620), (22, 934200), (24, 856350), (25, 822096), (27, 761200), (30, 685080), (33, 622800), (36, 570900), (40, 513810), (44, 467100), (45, 456720), (48, 428175), (50, 411048), (54, 380600), (55, 373680), (60, 342540), (66, 311400), (72, 285450), (75, 274032), (80, 256905), (88, 233550), (90, 228360), (99, 207600), (100, 205524), (108, 190300), (110, 186840), (120, 171270), (132, 155700), (135, 152240), (144, 142725), (150, 137016), (165, 124560), (173, 118800), (176, 116775), (180, 114180), (198, 103800), (200, 102762), (216, 95150), (220, 93420), (225, 91344), (240, 85635), (264, 77850), (270, 76120), (275, 74736), (297, 69200), (300, 68508), (330, 62280), (346, 59400), (360, 57090), (396, 51900), (400, 51381), (432, 47575), (440, 46710), (450, 45672), (495, 41520), (519, 39600), (528, 38925), (540, 38060), (550, 37368), (594, 34600), (600, 34254), (660, 31140), (675, 30448), (692, 29700), (720, 28545), (792, 25950), (825, 24912), (865, 23760), (880, 23355), (900, 22836), (990, 20760), (1038, 19800), (1080, 19030), (1100, 18684), (1188, 17300), (1200, 17127), (1320, 15570), (1350, 15224), (1384, 14850), (1485, 13840), (1557, 13200), (1584, 12975), (1650, 12456), (1730, 11880), (1800, 11418), (1903, 10800), (1980, 10380), (2076, 9900), (2160, 9515), (2200, 9342), (2376, 8650), (2475, 8304), (2595, 7920), (2640, 7785), (2700, 7612), (2768, 7425), (2970, 6920), (3114, 6600), (3300, 6228), (3460, 5940), (3600, 5709), (3806, 5400), (3960, 5190), (4152, 4950), (4325, 4752), (4400, 4671)]