20187183720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{17971}}^1$

素因数の和:18056

約数の個数: 256

約数和(自身を含む): 70806804480

約数和(自身を除く): 50619620760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 37, 40, 44, 46, 55, 60, 66, 69, 74, 88, 92, 110, 111, 115, 120, 132, 138, 148, 165, 184, 185, 220, 222, 230, 253, 264, 276, 296, 330, 345, 370, 407, 440, 444, 460, 506, 552, 555, 660, 690, 740, 759, 814, 851, 888, 920, 1012, 1110, 1221, 1265, 1320, 1380, 1480, 1518, 1628, 1702, 2024, 2035, 2220, 2442, 2530, 2553, 2760, 3036, 3256, 3404, 3795, 4070, 4255, 4440, 4884, 5060, 5106, 6072, 6105, 6808, 7590, 8140, 8510, 9361, 9768, 10120, 10212, 12210, 12765, 15180, 16280, 17020, 17971, 18722, 20424, 24420, 25530, 28083, 30360, 34040, 35942, 37444, 46805, 48840, 51060, 53913, 56166, 71884, 74888, 89855, 93610, 102120, 107826, 112332, 140415, 143768, 179710, 187220, 197681, 215652, 224664, 269565, 280830, 359420, 374440, 395362, 413333, 431304, 539130, 561660, 593043, 664927, 718840, 790724, 826666, 988405, 1078260, 1123320, 1186086, 1239999, 1329854, 1581448, 1653332, 1976810, 1994781, 2066665, 2156520, 2372172, 2479998, 2659708, 2965215, 3306664, 3324635, 3953620, 3989562, 4133330, 4546663, 4744344, 4959996, 5319416, 5930430, 6199995, 6649270, 7314197, 7907240, 7979124, 8266660, 9093326, 9919992, 9973905, 11860860, 12399990, 13298540, 13639989, 14628394, 15293321, 15958248, 16533320, 18186652, 19947810, 21942591, 22733315, 23721720, 24799980, 26597080, 27279978, 29256788, 30586642, 36373304, 36570985, 39895620, 43885182, 45466630, 45879963, 49599960, 54559956, 58513576, 61173284, 68199945, 73141970, 76466605, 79791240, 87770364, 90933260, 91759926, 109119912, 109712955, 122346568, 136399890, 146283940, 152933210, 168226531, 175540728, 181866520, 183519852, 219425910, 229399815, 272799780, 292567880, 305866420, 336453062, 367039704, 438851820, 458799630, 504679593, 545599560, 611732840, 672906124, 841132655, 877703640, 917599260, 1009359186, 1345812248, 1682265310, 1835198520, 2018718372, 2523397965, 3364530620, 4037436744, 5046795930, 6729061240, 10093591860, 20187183720]

約数ペア:

[(1, 20187183720), (2, 10093591860), (3, 6729061240), (4, 5046795930), (5, 4037436744), (6, 3364530620), (8, 2523397965), (10, 2018718372), (11, 1835198520), (12, 1682265310), (15, 1345812248), (20, 1009359186), (22, 917599260), (23, 877703640), (24, 841132655), (30, 672906124), (33, 611732840), (37, 545599560), (40, 504679593), (44, 458799630), (46, 438851820), (55, 367039704), (60, 336453062), (66, 305866420), (69, 292567880), (74, 272799780), (88, 229399815), (92, 219425910), (110, 183519852), (111, 181866520), (115, 175540728), (120, 168226531), (132, 152933210), (138, 146283940), (148, 136399890), (165, 122346568), (184, 109712955), (185, 109119912), (220, 91759926), (222, 90933260), (230, 87770364), (253, 79791240), (264, 76466605), (276, 73141970), (296, 68199945), (330, 61173284), (345, 58513576), (370, 54559956), (407, 49599960), (440, 45879963), (444, 45466630), (460, 43885182), (506, 39895620), (552, 36570985), (555, 36373304), (660, 30586642), (690, 29256788), (740, 27279978), (759, 26597080), (814, 24799980), (851, 23721720), (888, 22733315), (920, 21942591), (1012, 19947810), (1110, 18186652), (1221, 16533320), (1265, 15958248), (1320, 15293321), (1380, 14628394), (1480, 13639989), (1518, 13298540), (1628, 12399990), (1702, 11860860), (2024, 9973905), (2035, 9919992), (2220, 9093326), (2442, 8266660), (2530, 7979124), (2553, 7907240), (2760, 7314197), (3036, 6649270), (3256, 6199995), (3404, 5930430), (3795, 5319416), (4070, 4959996), (4255, 4744344), (4440, 4546663), (4884, 4133330), (5060, 3989562), (5106, 3953620), (6072, 3324635), (6105, 3306664), (6808, 2965215), (7590, 2659708), (8140, 2479998), (8510, 2372172), (9361, 2156520), (9768, 2066665), (10120, 1994781), (10212, 1976810), (12210, 1653332), (12765, 1581448), (15180, 1329854), (16280, 1239999), (17020, 1186086), (17971, 1123320), (18722, 1078260), (20424, 988405), (24420, 826666), (25530, 790724), (28083, 718840), (30360, 664927), (34040, 593043), (35942, 561660), (37444, 539130), (46805, 431304), (48840, 413333), (51060, 395362), (53913, 374440), (56166, 359420), (71884, 280830), (74888, 269565), (89855, 224664), (93610, 215652), (102120, 197681), (107826, 187220), (112332, 179710), (140415, 143768)]