20399623920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^2$

素因数の和:421

約数の個数: 360

約数和(自身を含む): 74931537408

約数和(自身を除く): 54531913488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 127, 130, 131, 144, 156, 180, 195, 208, 234, 240, 254, 260, 262, 312, 360, 381, 390, 393, 468, 508, 520, 524, 585, 624, 635, 655, 720, 762, 780, 786, 936, 1016, 1040, 1048, 1143, 1170, 1179, 1270, 1310, 1524, 1560, 1572, 1651, 1703, 1872, 1905, 1965, 2032, 2096, 2286, 2340, 2358, 2540, 2620, 3048, 3120, 3144, 3302, 3406, 3810, 3930, 4572, 4680, 4716, 4953, 5080, 5109, 5240, 5715, 5895, 6096, 6288, 6604, 6812, 7620, 7860, 8255, 8515, 9144, 9360, 9432, 9906, 10160, 10218, 10480, 11430, 11790, 13208, 13624, 14859, 15240, 15327, 15720, 16510, 16637, 17030, 17161, 18288, 18864, 19812, 20436, 22860, 23580, 24765, 25545, 26416, 27248, 29718, 30480, 30654, 31440, 33020, 33274, 34060, 34322, 39624, 40872, 45720, 47160, 49530, 49911, 51090, 51483, 59436, 61308, 66040, 66548, 68120, 68644, 74295, 76635, 79248, 81744, 83185, 85805, 91440, 94320, 99060, 99822, 102180, 102966, 118872, 122616, 132080, 133096, 136240, 137288, 148590, 149733, 153270, 154449, 166370, 171610, 198120, 199644, 204360, 205932, 216281, 223093, 237744, 245232, 249555, 257415, 266192, 274576, 297180, 299466, 306540, 308898, 332740, 343220, 396240, 399288, 408720, 411864, 432562, 446186, 499110, 514830, 594360, 598932, 613080, 617796, 648843, 665480, 669279, 686440, 748665, 772245, 798576, 823728, 865124, 892372, 998220, 1029660, 1081405, 1115465, 1188720, 1197864, 1226160, 1235592, 1297686, 1330960, 1338558, 1372880, 1497330, 1544490, 1730248, 1784744, 1946529, 1996440, 2007837, 2059320, 2162810, 2179447, 2230930, 2395728, 2471184, 2595372, 2677116, 2994660, 3088980, 3244215, 3346395, 3460496, 3569488, 3893058, 3992880, 4015674, 4118640, 4325620, 4358894, 4461860, 5190744, 5354232, 5989320, 6177960, 6488430, 6538341, 6692790, 7786116, 8031348, 8651240, 8717788, 8923720, 9732645, 10039185, 10381488, 10708464, 10897235, 11978640, 12355920, 12976860, 13076682, 13385580, 15572232, 16062696, 17302480, 17435576, 17847440, 19465290, 19615023, 20078370, 21794470, 25953720, 26153364, 26771160, 28332811, 31144464, 32125392, 32691705, 34871152, 38930580, 39230046, 40156740, 43588940, 51907440, 52306728, 53542320, 56665622, 65383410, 77861160, 78460092, 80313480, 84998433, 87177880, 98075115, 104613456, 113331244, 130766820, 141664055, 155722320, 156920184, 160626960, 169996866, 174355760, 196150230, 226662488, 254995299, 261533640, 283328110, 313840368, 339993732, 392300460, 424992165, 453324976, 509990598, 523067280, 566656220, 679987464, 784600920, 849984330, 1019981196, 1133312440, 1274976495, 1359974928, 1569201840, 1699968660, 2039962392, 2266624880, 2549952990, 3399937320, 4079924784, 5099905980, 6799874640, 10199811960, 20399623920]

約数ペア:

[(1, 20399623920), (2, 10199811960), (3, 6799874640), (4, 5099905980), (5, 4079924784), (6, 3399937320), (8, 2549952990), (9, 2266624880), (10, 2039962392), (12, 1699968660), (13, 1569201840), (15, 1359974928), (16, 1274976495), (18, 1133312440), (20, 1019981196), (24, 849984330), (26, 784600920), (30, 679987464), (36, 566656220), (39, 523067280), (40, 509990598), (45, 453324976), (48, 424992165), (52, 392300460), (60, 339993732), (65, 313840368), (72, 283328110), (78, 261533640), (80, 254995299), (90, 226662488), (104, 196150230), (117, 174355760), (120, 169996866), (127, 160626960), (130, 156920184), (131, 155722320), (144, 141664055), (156, 130766820), (180, 113331244), (195, 104613456), (208, 98075115), (234, 87177880), (240, 84998433), (254, 80313480), (260, 78460092), (262, 77861160), (312, 65383410), (360, 56665622), (381, 53542320), (390, 52306728), (393, 51907440), (468, 43588940), (508, 40156740), (520, 39230046), (524, 38930580), (585, 34871152), (624, 32691705), (635, 32125392), (655, 31144464), (720, 28332811), (762, 26771160), (780, 26153364), (786, 25953720), (936, 21794470), (1016, 20078370), (1040, 19615023), (1048, 19465290), (1143, 17847440), (1170, 17435576), (1179, 17302480), (1270, 16062696), (1310, 15572232), (1524, 13385580), (1560, 13076682), (1572, 12976860), (1651, 12355920), (1703, 11978640), (1872, 10897235), (1905, 10708464), (1965, 10381488), (2032, 10039185), (2096, 9732645), (2286, 8923720), (2340, 8717788), (2358, 8651240), (2540, 8031348), (2620, 7786116), (3048, 6692790), (3120, 6538341), (3144, 6488430), (3302, 6177960), (3406, 5989320), (3810, 5354232), (3930, 5190744), (4572, 4461860), (4680, 4358894), (4716, 4325620), (4953, 4118640), (5080, 4015674), (5109, 3992880), (5240, 3893058), (5715, 3569488), (5895, 3460496), (6096, 3346395), (6288, 3244215), (6604, 3088980), (6812, 2994660), (7620, 2677116), (7860, 2595372), (8255, 2471184), (8515, 2395728), (9144, 2230930), (9360, 2179447), (9432, 2162810), (9906, 2059320), (10160, 2007837), (10218, 1996440), (10480, 1946529), (11430, 1784744), (11790, 1730248), (13208, 1544490), (13624, 1497330), (14859, 1372880), (15240, 1338558), (15327, 1330960), (15720, 1297686), (16510, 1235592), (16637, 1226160), (17030, 1197864), (17161, 1188720), (18288, 1115465), (18864, 1081405), (19812, 1029660), (20436, 998220), (22860, 892372), (23580, 865124), (24765, 823728), (25545, 798576), (26416, 772245), (27248, 748665), (29718, 686440), (30480, 669279), (30654, 665480), (31440, 648843), (33020, 617796), (33274, 613080), (34060, 598932), (34322, 594360), (39624, 514830), (40872, 499110), (45720, 446186), (47160, 432562), (49530, 411864), (49911, 408720), (51090, 399288), (51483, 396240), (59436, 343220), (61308, 332740), (66040, 308898), (66548, 306540), (68120, 299466), (68644, 297180), (74295, 274576), (76635, 266192), (79248, 257415), (81744, 249555), (83185, 245232), (85805, 237744), (91440, 223093), (94320, 216281), (99060, 205932), (99822, 204360), (102180, 199644), (102966, 198120), (118872, 171610), (122616, 166370), (132080, 154449), (133096, 153270), (136240, 149733), (137288, 148590)]