20991600

素因数分解:

$2^4\times 3^2\times 5^2\times 7^3\times {\mathrm{17}}^1$

素因数の和:62

約数の個数: 360

約数和(自身を含む): 89949600

約数和(自身を除く): 68958000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 25, 28, 30, 34, 35, 36, 40, 42, 45, 48, 49, 50, 51, 56, 60, 63, 68, 70, 72, 75, 80, 84, 85, 90, 98, 100, 102, 105, 112, 119, 120, 126, 136, 140, 144, 147, 150, 153, 168, 170, 175, 180, 196, 200, 204, 210, 225, 238, 240, 245, 252, 255, 272, 280, 294, 300, 306, 315, 336, 340, 343, 350, 357, 360, 392, 400, 408, 420, 425, 441, 450, 476, 490, 504, 510, 525, 560, 588, 595, 600, 612, 630, 680, 686, 700, 714, 720, 735, 765, 784, 816, 833, 840, 850, 882, 900, 952, 980, 1008, 1020, 1029, 1050, 1071, 1176, 1190, 1200, 1224, 1225, 1260, 1275, 1360, 1372, 1400, 1428, 1470, 1530, 1575, 1666, 1680, 1700, 1715, 1764, 1785, 1800, 1904, 1960, 2040, 2058, 2100, 2142, 2205, 2352, 2380, 2448, 2450, 2499, 2520, 2550, 2744, 2800, 2856, 2940, 2975, 3060, 3087, 3150, 3332, 3400, 3430, 3528, 3570, 3600, 3675, 3825, 3920, 4080, 4116, 4165, 4200, 4284, 4410, 4760, 4900, 4998, 5040, 5100, 5145, 5355, 5488, 5712, 5831, 5880, 5950, 6120, 6174, 6300, 6664, 6800, 6860, 7056, 7140, 7350, 7497, 7650, 8232, 8330, 8400, 8568, 8575, 8820, 8925, 9520, 9800, 9996, 10200, 10290, 10710, 11025, 11662, 11760, 11900, 12240, 12348, 12495, 12600, 13328, 13720, 14280, 14700, 14994, 15300, 15435, 16464, 16660, 17136, 17150, 17493, 17640, 17850, 19600, 19992, 20400, 20580, 20825, 21420, 22050, 23324, 23800, 24696, 24990, 25200, 25725, 26775, 27440, 28560, 29155, 29400, 29988, 30600, 30870, 33320, 34300, 34986, 35280, 35700, 37485, 39984, 41160, 41650, 42840, 44100, 46648, 47600, 49392, 49980, 51450, 52479, 53550, 58310, 58800, 59976, 61200, 61740, 62475, 66640, 68600, 69972, 71400, 74970, 77175, 82320, 83300, 85680, 87465, 88200, 93296, 99960, 102900, 104958, 107100, 116620, 119952, 123480, 124950, 137200, 139944, 142800, 145775, 149940, 154350, 166600, 174930, 176400, 187425, 199920, 205800, 209916, 214200, 233240, 246960, 249900, 262395, 279888, 291550, 299880, 308700, 333200, 349860, 374850, 411600, 419832, 428400, 437325, 466480, 499800, 524790, 583100, 599760, 617400, 699720, 749700, 839664, 874650, 999600, 1049580, 1166200, 1234800, 1311975, 1399440, 1499400, 1749300, 2099160, 2332400, 2623950, 2998800, 3498600, 4198320, 5247900, 6997200, 10495800, 20991600]

約数ペア:

[(1, 20991600), (2, 10495800), (3, 6997200), (4, 5247900), (5, 4198320), (6, 3498600), (7, 2998800), (8, 2623950), (9, 2332400), (10, 2099160), (12, 1749300), (14, 1499400), (15, 1399440), (16, 1311975), (17, 1234800), (18, 1166200), (20, 1049580), (21, 999600), (24, 874650), (25, 839664), (28, 749700), (30, 699720), (34, 617400), (35, 599760), (36, 583100), (40, 524790), (42, 499800), (45, 466480), (48, 437325), (49, 428400), (50, 419832), (51, 411600), (56, 374850), (60, 349860), (63, 333200), (68, 308700), (70, 299880), (72, 291550), (75, 279888), (80, 262395), (84, 249900), (85, 246960), (90, 233240), (98, 214200), (100, 209916), (102, 205800), (105, 199920), (112, 187425), (119, 176400), (120, 174930), (126, 166600), (136, 154350), (140, 149940), (144, 145775), (147, 142800), (150, 139944), (153, 137200), (168, 124950), (170, 123480), (175, 119952), (180, 116620), (196, 107100), (200, 104958), (204, 102900), (210, 99960), (225, 93296), (238, 88200), (240, 87465), (245, 85680), (252, 83300), (255, 82320), (272, 77175), (280, 74970), (294, 71400), (300, 69972), (306, 68600), (315, 66640), (336, 62475), (340, 61740), (343, 61200), (350, 59976), (357, 58800), (360, 58310), (392, 53550), (400, 52479), (408, 51450), (420, 49980), (425, 49392), (441, 47600), (450, 46648), (476, 44100), (490, 42840), (504, 41650), (510, 41160), (525, 39984), (560, 37485), (588, 35700), (595, 35280), (600, 34986), (612, 34300), (630, 33320), (680, 30870), (686, 30600), (700, 29988), (714, 29400), (720, 29155), (735, 28560), (765, 27440), (784, 26775), (816, 25725), (833, 25200), (840, 24990), (850, 24696), (882, 23800), (900, 23324), (952, 22050), (980, 21420), (1008, 20825), (1020, 20580), (1029, 20400), (1050, 19992), (1071, 19600), (1176, 17850), (1190, 17640), (1200, 17493), (1224, 17150), (1225, 17136), (1260, 16660), (1275, 16464), (1360, 15435), (1372, 15300), (1400, 14994), (1428, 14700), (1470, 14280), (1530, 13720), (1575, 13328), (1666, 12600), (1680, 12495), (1700, 12348), (1715, 12240), (1764, 11900), (1785, 11760), (1800, 11662), (1904, 11025), (1960, 10710), (2040, 10290), (2058, 10200), (2100, 9996), (2142, 9800), (2205, 9520), (2352, 8925), (2380, 8820), (2448, 8575), (2450, 8568), (2499, 8400), (2520, 8330), (2550, 8232), (2744, 7650), (2800, 7497), (2856, 7350), (2940, 7140), (2975, 7056), (3060, 6860), (3087, 6800), (3150, 6664), (3332, 6300), (3400, 6174), (3430, 6120), (3528, 5950), (3570, 5880), (3600, 5831), (3675, 5712), (3825, 5488), (3920, 5355), (4080, 5145), (4116, 5100), (4165, 5040), (4200, 4998), (4284, 4900), (4410, 4760)]