20931244740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:209

約数の個数: 864

約数和(自身を含む): 82909008000

約数和(自身を除く): 61977763260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 29, 30, 35, 36, 38, 42, 45, 49, 57, 58, 59, 60, 63, 70, 73, 76, 84, 87, 90, 95, 98, 105, 114, 116, 118, 126, 133, 140, 145, 146, 147, 171, 174, 177, 180, 190, 196, 203, 210, 219, 228, 236, 245, 252, 261, 266, 285, 290, 292, 294, 295, 315, 342, 348, 354, 365, 380, 399, 406, 413, 420, 435, 438, 441, 490, 511, 522, 531, 532, 551, 570, 580, 588, 590, 609, 630, 657, 665, 684, 708, 730, 735, 798, 812, 826, 855, 870, 876, 882, 885, 931, 980, 1015, 1022, 1044, 1062, 1095, 1102, 1121, 1140, 1180, 1197, 1218, 1239, 1260, 1305, 1314, 1330, 1387, 1421, 1460, 1470, 1533, 1596, 1652, 1653, 1710, 1711, 1740, 1764, 1770, 1827, 1862, 1995, 2030, 2044, 2065, 2117, 2124, 2190, 2204, 2205, 2242, 2394, 2436, 2478, 2555, 2610, 2628, 2655, 2660, 2755, 2774, 2793, 2842, 2891, 2940, 3045, 3066, 3285, 3306, 3363, 3420, 3422, 3540, 3577, 3654, 3717, 3724, 3857, 3990, 4060, 4130, 4161, 4234, 4263, 4307, 4380, 4410, 4484, 4599, 4655, 4788, 4956, 4959, 5110, 5133, 5220, 5310, 5510, 5548, 5586, 5605, 5684, 5782, 5985, 6090, 6132, 6195, 6351, 6570, 6612, 6726, 6844, 6935, 7105, 7154, 7308, 7434, 7665, 7714, 7847, 7980, 8260, 8265, 8322, 8379, 8468, 8526, 8555, 8614, 8673, 8820, 9135, 9198, 9310, 9709, 9918, 10089, 10220, 10266, 10585, 10620, 10731, 11020, 11172, 11210, 11564, 11571, 11970, 11977, 12180, 12390, 12483, 12702, 12789, 12921, 13140, 13452, 13870, 13965, 14210, 14308, 14455, 14819, 14868, 15330, 15399, 15428, 15694, 16530, 16644, 16758, 16815, 17052, 17110, 17228, 17346, 17885, 18270, 18396, 18585, 18620, 19053, 19285, 19418, 19836, 20178, 20532, 20805, 21170, 21315, 21462, 21535, 22420, 22995, 23142, 23541, 23940, 23954, 24780, 24795, 24966, 25404, 25578, 25665, 25842, 26019, 26999, 27740, 27930, 28420, 28910, 29127, 29638, 30149, 30660, 30798, 31388, 31755, 32193, 32509, 33060, 33516, 33630, 34220, 34692, 34713, 35770, 35931, 36540, 37170, 38106, 38570, 38763, 38836, 39235, 40223, 40356, 41610, 41895, 42340, 42630, 42924, 43070, 43365, 44457, 45990, 46284, 47082, 47908, 48545, 49590, 49932, 50445, 51156, 51330, 51684, 52038, 53655, 53998, 54929, 55860, 57820, 57855, 58254, 59276, 59885, 60298, 61596, 62415, 63510, 63945, 64386, 64605, 65018, 67260, 67963, 69426, 70623, 71540, 71862, 74095, 74340, 76212, 76995, 77140, 77526, 78470, 80446, 80997, 81833, 83220, 83790, 83839, 85260, 86140, 86730, 87381, 88914, 90447, 91980, 94164, 95265, 97090, 97527, 99180, 100890, 102660, 103733, 104076, 107310, 107793, 107996, 109858, 115710, 116508, 117705, 119770, 120596, 120669, 124830, 124903, 127020, 127890, 128772, 129210, 130036, 130095, 133371, 134995, 135926, 138852, 141246, 143724, 145635, 148190, 150745, 153990, 155052, 156940, 160892, 160965, 161994, 162545, 163666, 164787, 167580, 167678, 173460, 173565, 174762, 177828, 179655, 180894, 190530, 193815, 194180, 195054, 201115, 201780, 203889, 207466, 211043, 214620, 215586, 219716, 222285, 227563, 231420, 235410, 239540, 241338, 242991, 245499, 249660, 249806, 251517, 255780, 258420, 260190, 266742, 269990, 271341, 271852, 274645, 281561, 282492, 291270, 292581, 296380, 301490, 307980, 311199, 321930, 323988, 325090, 327332, 329574, 335356, 339815, 347130, 349524, 353115, 359310, 361788, 362007, 374709, 381060, 387630, 390108, 402230, 404985, 407778, 409165, 414932, 419195, 422086, 431172, 436905, 444570, 452235, 455126, 470820, 482676, 485982, 487635, 490998, 494361, 499612, 503034, 518665, 520380, 533484, 538965, 539980, 542682, 549290, 563122, 572831, 582540, 585162, 602980, 603345, 611667, 622398, 624515, 633129, 643860, 650180, 659148, 666855, 679630, 682689, 694260, 706230, 718620, 724014, 736497, 749418, 754551, 775260, 804460, 809970, 815556, 818330, 823935, 838390, 844172, 844683, 873810, 874321, 889140, 904470, 910252, 933597, 971964, 975270, 981996, 988722, 1006068, 1019445, 1037330, 1055215, 1077930, 1085364, 1098580, 1124127, 1126244, 1137815, 1145662, 1170324, 1206690, 1214955, 1223334, 1227495, 1244796, 1249030, 1257585, 1266258, 1333710, 1356705, 1359260, 1365378, 1407805, 1412460, 1448028, 1462905, 1472994, 1498836, 1509102, 1555995, 1592941, 1619940, 1636660, 1647870, 1676780, 1689366, 1718493, 1747620, 1748642, 1808940, 1810035, 1867194, 1873545, 1899387, 1950540, 1970927, 1977444, 2038890, 2048067, 2074660, 2110430, 2155860, 2248254, 2275630, 2291324, 2373157, 2413380, 2429910, 2446668, 2454990, 2471805, 2498060, 2515170, 2532516, 2534049, 2622963, 2667420, 2713410, 2730756, 2815610, 2864155, 2925810, 2945988, 3018204, 3058335, 3111990, 3165645, 3185882, 3295740, 3378732, 3413445, 3436986, 3497284, 3620070, 3682485, 3734388, 3747090, 3772755, 3798774, 3941854, 4009817, 4077780, 4096134, 4220860, 4223415, 4371605, 4496508, 4551260, 4667985, 4746314, 4778823, 4859820, 4909980, 4943610, 5030340, 5068098, 5155479, 5245926, 5426820, 5620635, 5631220, 5728310, 5851620, 5912781, 6116670, 6120247, 6223980, 6331290, 6371764, 6826890, 6873972, 7119471, 7240140, 7364970, 7494180, 7545510, 7597548, 7868889, 7883708, 7964705, 8019634, 8192268, 8446830, 8592465, 8743210, 9335970, 9492628, 9496935, 9557646, 9854635, 9887220, 10136196, 10240335, 10310958, 10491852, 11241270, 11456620, 11825562, 11865785, 12029451, 12233340, 12240494, 12662580, 12670245, 13114815, 13653780, 14238942, 14336469, 14729940, 15091020, 15737778, 15929410, 16039268, 16612099, 16893660, 17184930, 17486420, 17738343, 18360741, 18671940, 18993870, 19115292, 19709270, 20049085, 20480670, 20621916, 21358413, 22482540, 23651124, 23731570, 23894115, 24058902, 24480988, 25340490, 25777395, 26229630, 28477884, 28672938, 29563905, 30601235, 31475556, 31858820, 33224198, 34369860, 35476686, 35597355, 36088353, 36721482, 37987740, 39344445, 39418540, 40098170, 40961340, 42716826, 47463140, 47788230, 48117804, 49836297, 50680980, 51554790, 52459260, 55082223, 57345876, 59127810, 60147255, 61202470, 66448396, 70953372, 71194710, 71682345, 72176706, 73442964, 78688890, 80196340, 83060495, 85433652, 88691715, 91803705, 95576460, 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約数ペア:

[(1, 20931244740), (2, 10465622370), (3, 6977081580), (4, 5232811185), (5, 4186248948), (6, 3488540790), (7, 2990177820), (9, 2325693860), (10, 2093124474), (12, 1744270395), (14, 1495088910), (15, 1395416316), (18, 1162846930), (19, 1101644460), (20, 1046562237), (21, 996725940), (28, 747544455), (29, 721767060), (30, 697708158), (35, 598035564), (36, 581423465), (38, 550822230), (42, 498362970), (45, 465138772), (49, 427168260), (57, 367214820), (58, 360883530), (59, 354766860), (60, 348854079), (63, 332241980), (70, 299017782), (73, 286729380), (76, 275411115), (84, 249181485), (87, 240589020), (90, 232569386), (95, 220328892), (98, 213584130), (105, 199345188), (114, 183607410), (116, 180441765), (118, 177383430), (126, 166120990), (133, 157377780), (140, 149508891), (145, 144353412), (146, 143364690), (147, 142389420), (171, 122404940), (174, 120294510), (177, 118255620), (180, 116284693), (190, 110164446), (196, 106792065), (203, 103109580), (210, 99672594), (219, 95576460), (228, 91803705), (236, 88691715), (245, 85433652), (252, 83060495), (261, 80196340), (266, 78688890), (285, 73442964), (290, 72176706), (292, 71682345), (294, 71194710), (295, 70953372), (315, 66448396), (342, 61202470), (348, 60147255), (354, 59127810), (365, 57345876), (380, 55082223), (399, 52459260), (406, 51554790), (413, 50680980), (420, 49836297), (435, 48117804), (438, 47788230), (441, 47463140), (490, 42716826), (511, 40961340), (522, 40098170), (531, 39418540), (532, 39344445), (551, 37987740), (570, 36721482), (580, 36088353), (588, 35597355), (590, 35476686), (609, 34369860), (630, 33224198), (657, 31858820), (665, 31475556), (684, 30601235), (708, 29563905), (730, 28672938), (735, 28477884), (798, 26229630), (812, 25777395), (826, 25340490), (855, 24480988), (870, 24058902), (876, 23894115), (882, 23731570), (885, 23651124), (931, 22482540), (980, 21358413), (1015, 20621916), (1022, 20480670), (1044, 20049085), (1062, 19709270), (1095, 19115292), (1102, 18993870), (1121, 18671940), (1140, 18360741), (1180, 17738343), (1197, 17486420), (1218, 17184930), (1239, 16893660), (1260, 16612099), (1305, 16039268), (1314, 15929410), (1330, 15737778), (1387, 15091020), (1421, 14729940), (1460, 14336469), (1470, 14238942), (1533, 13653780), (1596, 13114815), (1652, 12670245), (1653, 12662580), (1710, 12240494), (1711, 12233340), (1740, 12029451), (1764, 11865785), (1770, 11825562), (1827, 11456620), (1862, 11241270), (1995, 10491852), (2030, 10310958), (2044, 10240335), (2065, 10136196), (2117, 9887220), (2124, 9854635), (2190, 9557646), (2204, 9496935), (2205, 9492628), (2242, 9335970), (2394, 8743210), (2436, 8592465), (2478, 8446830), (2555, 8192268), (2610, 8019634), (2628, 7964705), (2655, 7883708), (2660, 7868889), (2755, 7597548), (2774, 7545510), (2793, 7494180), (2842, 7364970), (2891, 7240140), (2940, 7119471), (3045, 6873972), (3066, 6826890), (3285, 6371764), (3306, 6331290), (3363, 6223980), (3420, 6120247), (3422, 6116670), (3540, 5912781), (3577, 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(46284, 452235), (47082, 444570), (47908, 436905), (48545, 431172), (49590, 422086), (49932, 419195), (50445, 414932), (51156, 409165), (51330, 407778), (51684, 404985), (52038, 402230), (53655, 390108), (53998, 387630), (54929, 381060), (55860, 374709), (57820, 362007), (57855, 361788), (58254, 359310), (59276, 353115), (59885, 349524), (60298, 347130), (61596, 339815), (62415, 335356), (63510, 329574), (63945, 327332), (64386, 325090), (64605, 323988), (65018, 321930), (67260, 311199), (67963, 307980), (69426, 301490), (70623, 296380), (71540, 292581), (71862, 291270), (74095, 282492), (74340, 281561), (76212, 274645), (76995, 271852), (77140, 271341), (77526, 269990), (78470, 266742), (80446, 260190), (80997, 258420), (81833, 255780), (83220, 251517), (83790, 249806), (83839, 249660), (85260, 245499), (86140, 242991), (86730, 241338), (87381, 239540), (88914, 235410), (90447, 231420), (91980, 227563), (94164, 222285), (95265, 219716), (97090, 215586), (97527, 214620), (99180, 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