20895605640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:715

約数の個数: 640

約数和(自身を含む): 87260785920

約数和(自身を除く): 66365180280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 81, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 131, 135, 140, 156, 162, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 262, 270, 273, 280, 312, 315, 324, 351, 360, 364, 378, 390, 393, 405, 420, 455, 468, 504, 520, 524, 540, 541, 546, 567, 585, 630, 648, 655, 702, 728, 756, 780, 786, 810, 819, 840, 910, 917, 936, 945, 1048, 1053, 1080, 1082, 1092, 1134, 1170, 1179, 1260, 1310, 1365, 1404, 1512, 1560, 1572, 1620, 1623, 1638, 1703, 1755, 1820, 1834, 1890, 1965, 2106, 2164, 2184, 2268, 2340, 2358, 2457, 2520, 2620, 2705, 2730, 2751, 2808, 2835, 3144, 3240, 3246, 3276, 3406, 3510, 3537, 3640, 3668, 3780, 3787, 3930, 4095, 4212, 4328, 4536, 4585, 4680, 4716, 4869, 4914, 5109, 5240, 5265, 5410, 5460, 5502, 5670, 5895, 6492, 6552, 6812, 7020, 7033, 7074, 7336, 7371, 7560, 7574, 7860, 8115, 8190, 8253, 8424, 8515, 9170, 9432, 9738, 9828, 10218, 10530, 10611, 10820, 10920, 11004, 11340, 11361, 11790, 11921, 12285, 12984, 13624, 13755, 14040, 14066, 14148, 14607, 14742, 15148, 15327, 15720, 16230, 16380, 16506, 17030, 17685, 18340, 18935, 19476, 19656, 20436, 21060, 21099, 21222, 21640, 22008, 22680, 22722, 23580, 23842, 24345, 24570, 24759, 25545, 27510, 28132, 28296, 29214, 29484, 30296, 30654, 32460, 32760, 33012, 34060, 34083, 35165, 35370, 35763, 36680, 36855, 37870, 38952, 40872, 41265, 42120, 42198, 42444, 43821, 45444, 45981, 47160, 47684, 48690, 49140, 49231, 49518, 51090, 53055, 55020, 56264, 56805, 58428, 58968, 59605, 61308, 63297, 64920, 66024, 68120, 68166, 70330, 70740, 70871, 71526, 73035, 73710, 74277, 75740, 76635, 82530, 84396, 84888, 87642, 90888, 91962, 95368, 97380, 98280, 98462, 99036, 102180, 102249, 105495, 106110, 107289, 110040, 113610, 116856, 119210, 122616, 123795, 126594, 136332, 137943, 140660, 141480, 141742, 143052, 146070, 147420, 147693, 148554, 151480, 153270, 165060, 168792, 170415, 175284, 178815, 183924, 189891, 194760, 196924, 198072, 204360, 204498, 210990, 212220, 212613, 214578, 219105, 227220, 229905, 238420, 246155, 247590, 253188, 272664, 275886, 281320, 283484, 286104, 292140, 294840, 295386, 297108, 306540, 306747, 316485, 321867, 330120, 340830, 350568, 354355, 357630, 367848, 371385, 379782, 393848, 408996, 421980, 424440, 425226, 429156, 438210, 443079, 454440, 459810, 476840, 492310, 495180, 496097, 506376, 511245, 536445, 551772, 566968, 569673, 584280, 590772, 594216, 613080, 613494, 632970, 637839, 643734, 681660, 689715, 708710, 715260, 738465, 742770, 759564, 817992, 843960, 850452, 858312, 876420, 886158, 919620, 921323, 949455, 965601, 984620, 990360, 992194, 1022490, 1063065, 1072890, 1103544, 1139346, 1181544, 1226988, 1265940, 1275678, 1287468, 1329237, 1363320, 1379430, 1417420, 1430520, 1476930, 1485540, 1488291, 1519128, 1533735, 1609335, 1700904, 1752840, 1772316, 1839240, 1842646, 1898910, 1913517, 1931202, 1969240, 1984388, 2044980, 2126130, 2145780, 2215395, 2278692, 2453976, 2480485, 2531880, 2551356, 2574936, 2658474, 2758860, 2763969, 2834840, 2848365, 2953860, 2971080, 2976582, 3067470, 3189195, 3218670, 3544632, 3685292, 3797820, 3827034, 3862404, 3968776, 3987711, 4089960, 4252260, 4291560, 4430790, 4464873, 4557384, 4606615, 4828005, 4960970, 5102712, 5316948, 5517720, 5527938, 5696730, 5740551, 5907720, 5953164, 6134940, 6378390, 6437340, 6449261, 6646185, 7370584, 7441455, 7595640, 7654068, 7724808, 7975422, 8291907, 8504520, 8861580, 8929746, 9213230, 9567585, 9656010, 9921940, 10633896, 11055876, 11393460, 11481102, 11906328, 12269880, 12756780, 12874680, 12898522, 13292370, 13394619, 13819845, 14882910, 15308136, 15950844, 16583814, 17723160, 17859492, 18426460, 19135170, 19312020, 19347783, 19843880, 19938555, 22111752, 22324365, 22786920, 22962204, 24875721, 25513560, 25797044, 26584740, 26789238, 27639690, 28702755, 29765820, 31901688, 32246305, 33167628, 35718984, 36852920, 38270340, 38624040, 38695566, 39877110, 40183857, 41459535, 44648730, 45924408, 49751442, 51594088, 53169480, 53578476, 55279380, 57405510, 58043349, 59531640, 64492610, 66335256, 66973095, 74627163, 76540680, 77391132, 79754220, 80367714, 82919070, 89297460, 96738915, 99502884, 107156952, 110558760, 114811020, 116086698, 124378605, 128985220, 133946190, 149254326, 154782264, 159508440, 160735428, 165838140, 174130047, 178594920, 193477830, 199005768, 200919285, 229622040, 232173396, 248757210, 257970440, 267892380, 290216745, 298508652, 321470856, 331676280, 348260094, 373135815, 386955660, 401838570, 464346792, 497514420, 522390141, 535784760, 580433490, 597017304, 696520188, 746271630, 773911320, 803677140, 870650235, 995028840, 1044780282, 1160866980, 1393040376, 1492543260, 1607354280, 1741300470, 2089560564, 2321733960, 2611950705, 2985086520, 3482600940, 4179121128, 5223901410, 6965201880, 10447802820, 20895605640]

約数ペア:

[(1, 20895605640), (2, 10447802820), (3, 6965201880), (4, 5223901410), (5, 4179121128), (6, 3482600940), (7, 2985086520), (8, 2611950705), (9, 2321733960), (10, 2089560564), (12, 1741300470), (13, 1607354280), (14, 1492543260), (15, 1393040376), (18, 1160866980), (20, 1044780282), (21, 995028840), (24, 870650235), (26, 803677140), (27, 773911320), (28, 746271630), (30, 696520188), (35, 597017304), (36, 580433490), (39, 535784760), (40, 522390141), (42, 497514420), (45, 464346792), (52, 401838570), (54, 386955660), (56, 373135815), (60, 348260094), (63, 331676280), (65, 321470856), (70, 298508652), (72, 290216745), (78, 267892380), (81, 257970440), (84, 248757210), (90, 232173396), (91, 229622040), (104, 200919285), (105, 199005768), (108, 193477830), (117, 178594920), (120, 174130047), (126, 165838140), (130, 160735428), (131, 159508440), (135, 154782264), (140, 149254326), (156, 133946190), (162, 128985220), (168, 124378605), (180, 116086698), (182, 114811020), (189, 110558760), (195, 107156952), (210, 99502884), (216, 96738915), (234, 89297460), (252, 82919070), (260, 80367714), (262, 79754220), (270, 77391132), (273, 76540680), (280, 74627163), (312, 66973095), (315, 66335256), (324, 64492610), (351, 59531640), (360, 58043349), (364, 57405510), (378, 55279380), (390, 53578476), (393, 53169480), (405, 51594088), (420, 49751442), (455, 45924408), (468, 44648730), (504, 41459535), (520, 40183857), (524, 39877110), (540, 38695566), (541, 38624040), (546, 38270340), (567, 36852920), (585, 35718984), (630, 33167628), (648, 32246305), (655, 31901688), (702, 29765820), (728, 28702755), (756, 27639690), (780, 26789238), (786, 26584740), (810, 25797044), (819, 25513560), (840, 24875721), (910, 22962204), (917, 22786920), (936, 22324365), (945, 22111752), (1048, 19938555), (1053, 19843880), (1080, 19347783), (1082, 19312020), (1092, 19135170), (1134, 18426460), (1170, 17859492), (1179, 17723160), (1260, 16583814), (1310, 15950844), (1365, 15308136), (1404, 14882910), (1512, 13819845), (1560, 13394619), (1572, 13292370), (1620, 12898522), (1623, 12874680), (1638, 12756780), (1703, 12269880), (1755, 11906328), (1820, 11481102), (1834, 11393460), (1890, 11055876), (1965, 10633896), (2106, 9921940), (2164, 9656010), (2184, 9567585), (2268, 9213230), (2340, 8929746), (2358, 8861580), (2457, 8504520), (2520, 8291907), (2620, 7975422), (2705, 7724808), (2730, 7654068), (2751, 7595640), (2808, 7441455), (2835, 7370584), (3144, 6646185), (3240, 6449261), (3246, 6437340), (3276, 6378390), (3406, 6134940), (3510, 5953164), (3537, 5907720), (3640, 5740551), (3668, 5696730), (3780, 5527938), (3787, 5517720), (3930, 5316948), (4095, 5102712), (4212, 4960970), (4328, 4828005), (4536, 4606615), (4585, 4557384), (4680, 4464873), (4716, 4430790), (4869, 4291560), (4914, 4252260), (5109, 4089960), (5240, 3987711), (5265, 3968776), (5410, 3862404), (5460, 3827034), (5502, 3797820), (5670, 3685292), (5895, 3544632), (6492, 3218670), (6552, 3189195), (6812, 3067470), (7020, 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(23842, 876420), (24345, 858312), (24570, 850452), (24759, 843960), (25545, 817992), (27510, 759564), (28132, 742770), (28296, 738465), (29214, 715260), (29484, 708710), (30296, 689715), (30654, 681660), (32460, 643734), (32760, 637839), (33012, 632970), (34060, 613494), (34083, 613080), (35165, 594216), (35370, 590772), (35763, 584280), (36680, 569673), (36855, 566968), (37870, 551772), (38952, 536445), (40872, 511245), (41265, 506376), (42120, 496097), (42198, 495180), (42444, 492310), (43821, 476840), (45444, 459810), (45981, 454440), (47160, 443079), (47684, 438210), (48690, 429156), (49140, 425226), (49231, 424440), (49518, 421980), (51090, 408996), (53055, 393848), (55020, 379782), (56264, 371385), (56805, 367848), (58428, 357630), (58968, 354355), (59605, 350568), (61308, 340830), (63297, 330120), (64920, 321867), (66024, 316485), (68120, 306747), (68166, 306540), (70330, 297108), (70740, 295386), (70871, 294840), (71526, 292140), (73035, 286104), (73710, 283484), (74277, 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