About the Number

20688570720

20688570719 ← → 20688570721

2進数表記:10011010001001000101000100101100000

漢数字表記:二百六億八千八百五十七万七百二十

素因数分解:

2 5 × 3 3 × 5 1 × 37 1 × 71 1 × 1823 1

素因数の和:1955
約数の個数: 384
約数和(自身を含む): 75455815680
約数和(自身を除く): 54767244960

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 71, 72, 74, 80, 90, 96, 108, 111, 120, 135, 142, 144, 148, 160, 180, 185, 213, 216, 222, 240, 270, 284, 288, 296, 333, 355, 360, 370, 426, 432, 444, 480, 540, 555, 568, 592, 639, 666, 710, 720, 740, 852, 864, 888, 999, 1065, 1080, 1110, 1136, 1184, 1278, 1332, 1420, 1440, 1480, 1665, 1704, 1776, 1823, 1917, 1998, 2130, 2160, 2220, 2272, 2556, 2627, 2664, 2840, 2960, 3195, 3330, 3408, 3552, 3646, 3834, 3996, 4260, 4320, 4440, 4995, 5112, 5254, 5328, 5469, 5680, 5920, 6390, 6660, 6816, 7292, 7668, 7881, 7992, 8520, 8880, 9115, 9585, 9990, 10224, 10508, 10656, 10938, 11360, 12780, 13135, 13320, 14584, 15336, 15762, 15984, 16407, 17040, 17760, 18230, 19170, 19980, 20448, 21016, 21876, 23643, 25560, 26270, 26640, 27345, 29168, 30672, 31524, 31968, 32814, 34080, 36460, 38340, 39405, 39960, 42032, 43752, 47286, 49221, 51120, 52540, 53280, 54690, 58336, 61344, 63048, 65628, 67451, 70929, 72920, 76680, 78810, 79920, 82035, 84064, 87504, 94572, 98442, 102240, 105080, 109380, 118215, 126096, 129433, 131256, 134902, 141858, 145840, 153360, 157620, 159840, 164070, 175008, 189144, 196884, 202353, 210160, 218760, 236430, 246105, 252192, 258866, 262512, 269804, 283716, 291680, 306720, 315240, 328140, 337255, 354645, 378288, 388299, 393768, 404706, 420320, 437520, 472860, 492210, 517732, 525024, 539608, 567432, 607059, 630480, 647165, 656280, 674510, 709290, 756576, 776598, 787536, 809412, 875040, 945720, 984420, 1011765, 1035464, 1079216, 1134864, 1164897, 1214118, 1260960, 1294330, 1312560, 1349020, 1418580, 1553196, 1575072, 1618824, 1821177, 1891440, 1941495, 1968840, 2023530, 2070928, 2158432, 2269728, 2329794, 2428236, 2588660, 2625120, 2698040, 2837160, 3035295, 3106392, 3237648, 3494691, 3642354, 3782880, 3882990, 3937680, 4047060, 4141856, 4659588, 4789021, 4856472, 5177320, 5396080, 5674320, 5824485, 6070590, 6212784, 6475296, 6989382, 7284708, 7765980, 7875360, 8094120, 9105885, 9319176, 9578042, 9712944, 10354640, 10792160, 11348640, 11648970, 12141180, 12425568, 13978764, 14367063, 14569416, 15531960, 16188240, 17473455, 18211770, 18638352, 19156084, 19425888, 20709280, 23297940, 23945105, 24282360, 27957528, 28734126, 29138832, 31063920, 32376480, 34946910, 36423540, 37276704, 38312168, 43101189, 46595880, 47890210, 48564720, 55915056, 57468252, 58277664, 62127840, 69893820, 71835315, 72847080, 76624336, 86202378, 93191760, 95780420, 97129440, 111830112, 114936504, 129303567, 139787640, 143670630, 145694160, 153248672, 172404756, 186383520, 191560840, 215505945, 229873008, 258607134, 279575280, 287341260, 291388320, 344809512, 383121680, 431011890, 459746016, 517214268, 559150560, 574682520, 646517835, 689619024, 766243360, 862023780, 1034428536, 1149365040, 1293035670, 1379238048, 1724047560, 2068857072, 2298730080, 2586071340, 3448095120, 4137714144, 5172142680, 6896190240, 10344285360, 20688570720]

約数ペア:
[(1, 20688570720), (2, 10344285360), (3, 6896190240), (4, 5172142680), (5, 4137714144), (6, 3448095120), (8, 2586071340), (9, 2298730080), (10, 2068857072), (12, 1724047560), (15, 1379238048), (16, 1293035670), (18, 1149365040), (20, 1034428536), (24, 862023780), (27, 766243360), (30, 689619024), (32, 646517835), (36, 574682520), (37, 559150560), (40, 517214268), (45, 459746016), (48, 431011890), (54, 383121680), (60, 344809512), (71, 291388320), (72, 287341260), (74, 279575280), (80, 258607134), (90, 229873008), (96, 215505945), (108, 191560840), (111, 186383520), (120, 172404756), (135, 153248672), (142, 145694160), (144, 143670630), (148, 139787640), (160, 129303567), (180, 114936504), (185, 111830112), (213, 97129440), (216, 95780420), (222, 93191760), (240, 86202378), (270, 76624336), (284, 72847080), (288, 71835315), (296, 69893820), (333, 62127840), (355, 58277664), (360, 57468252), (370, 55915056), (426, 48564720), (432, 47890210), (444, 46595880), (480, 43101189), (540, 38312168), (555, 37276704), (568, 36423540), (592, 34946910), (639, 32376480), (666, 31063920), (710, 29138832), (720, 28734126), (740, 27957528), (852, 24282360), (864, 23945105), (888, 23297940), (999, 20709280), (1065, 19425888), (1080, 19156084), (1110, 18638352), (1136, 18211770), (1184, 17473455), (1278, 16188240), (1332, 15531960), (1420, 14569416), (1440, 14367063), (1480, 13978764), (1665, 12425568), (1704, 12141180), (1776, 11648970), (1823, 11348640), (1917, 10792160), (1998, 10354640), (2130, 9712944), (2160, 9578042), (2220, 9319176), (2272, 9105885), (2556, 8094120), (2627, 7875360), (2664, 7765980), (2840, 7284708), (2960, 6989382), (3195, 6475296), (3330, 6212784), (3408, 6070590), (3552, 5824485), (3646, 5674320), (3834, 5396080), (3996, 5177320), (4260, 4856472), (4320, 4789021), (4440, 4659588), (4995, 4141856), (5112, 4047060), (5254, 3937680), (5328, 3882990), (5469, 3782880), (5680, 3642354), (5920, 3494691), (6390, 3237648), (6660, 3106392), (6816, 3035295), (7292, 2837160), (7668, 2698040), (7881, 2625120), (7992, 2588660), (8520, 2428236), (8880, 2329794), (9115, 2269728), (9585, 2158432), (9990, 2070928), (10224, 2023530), (10508, 1968840), (10656, 1941495), (10938, 1891440), (11360, 1821177), (12780, 1618824), (13135, 1575072), (13320, 1553196), (14584, 1418580), (15336, 1349020), (15762, 1312560), (15984, 1294330), (16407, 1260960), (17040, 1214118), (17760, 1164897), (18230, 1134864), (19170, 1079216), (19980, 1035464), (20448, 1011765), (21016, 984420), (21876, 945720), (23643, 875040), (25560, 809412), (26270, 787536), (26640, 776598), (27345, 756576), (29168, 709290), (30672, 674510), (31524, 656280), (31968, 647165), (32814, 630480), (34080, 607059), (36460, 567432), (38340, 539608), (39405, 525024), (39960, 517732), (42032, 492210), (43752, 472860), (47286, 437520), (49221, 420320), (51120, 404706), (52540, 393768), (53280, 388299), (54690, 378288), (58336, 354645), (61344, 337255), (63048, 328140), (65628, 315240), (67451, 306720), (70929, 291680), (72920, 283716), (76680, 269804), (78810, 262512), (79920, 258866), (82035, 252192), (84064, 246105), (87504, 236430), (94572, 218760), (98442, 210160), (102240, 202353), (105080, 196884), (109380, 189144), (118215, 175008), (126096, 164070), (129433, 159840), (131256, 157620), (134902, 153360), (141858, 145840)]

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