20989541664

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 960

約数和(自身を含む): 81880533504

約数和(自身を除く): 60890991840

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 23, 24, 26, 27, 28, 32, 36, 39, 42, 46, 48, 52, 53, 54, 56, 63, 69, 72, 73, 78, 81, 84, 91, 92, 96, 104, 106, 108, 112, 117, 126, 138, 144, 146, 156, 159, 161, 162, 168, 182, 184, 189, 207, 208, 212, 216, 219, 224, 234, 252, 273, 276, 288, 292, 299, 312, 318, 322, 324, 336, 351, 364, 368, 371, 378, 414, 416, 424, 432, 438, 468, 477, 483, 504, 511, 546, 552, 567, 584, 598, 621, 624, 636, 644, 648, 657, 672, 689, 702, 728, 736, 742, 756, 819, 828, 848, 864, 876, 897, 936, 949, 954, 966, 1008, 1022, 1053, 1092, 1104, 1113, 1134, 1168, 1196, 1219, 1242, 1248, 1272, 1288, 1296, 1314, 1378, 1404, 1431, 1449, 1456, 1484, 1512, 1533, 1638, 1656, 1679, 1696, 1752, 1794, 1863, 1872, 1898, 1908, 1932, 1971, 2016, 2044, 2067, 2093, 2106, 2184, 2208, 2226, 2268, 2336, 2392, 2438, 2457, 2484, 2544, 2576, 2592, 2628, 2691, 2756, 2808, 2847, 2862, 2898, 2912, 2968, 3024, 3066, 3276, 3312, 3339, 3358, 3504, 3588, 3657, 3726, 3744, 3796, 3816, 3864, 3869, 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30368, 30952, 31536, 31694, 32292, 32913, 33072, 33488, 33696, 34132, 34164, 34344, 34776, 34821, 35259, 35616, 36792, 37206, 37674, 38584, 39008, 39312, 39858, 40068, 40296, 41391, 43056, 43407, 43654, 43884, 45333, 45552, 45792, 46368, 46428, 47012, 47304, 47541, 48438, 49056, 49608, 50232, 50297, 51198, 51246, 52164, 53144, 53424, 53728, 54166, 55188, 55809, 56511, 57876, 58512, 58968, 59616, 59787, 60102, 60444, 61904, 63072, 63388, 64584, 65481, 65826, 66144, 66976, 68264, 68328, 68688, 69552, 69642, 70518, 73584, 74412, 75348, 76797, 76869, 77168, 78624, 79716, 80136, 80592, 81249, 82782, 86112, 86814, 87308, 87768, 88987, 90666, 91104, 92856, 94024, 94608, 95082, 96876, 98739, 99216, 100464, 100594, 102396, 102492, 104328, 104463, 105777, 106288, 106848, 108332, 110376, 110929, 111618, 113022, 115752, 117024, 117936, 119574, 120204, 120888, 123808, 126776, 129168, 130221, 130962, 131652, 135999, 136528, 136656, 137376, 139104, 139284, 141036, 142623, 147168, 148824, 150696, 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637728, 649992, 662256, 665574, 678132, 691173, 694512, 698464, 704158, 711896, 717444, 725328, 731241, 760656, 775008, 781326, 785772, 789912, 800883, 804752, 819168, 819936, 835704, 846216, 855738, 866656, 887432, 892944, 904176, 905346, 916734, 921564, 951993, 956592, 961632, 974988, 998361, 1041768, 1047696, 1053216, 1056237, 1067844, 1076166, 1087992, 1114272, 1128288, 1140984, 1156831, 1178658, 1207128, 1222312, 1228752, 1229904, 1245818, 1253556, 1269324, 1283607, 1299984, 1324512, 1331148, 1356264, 1358019, 1375101, 1382346, 1389024, 1408316, 1423792, 1434888, 1450656, 1462482, 1521312, 1562652, 1571544, 1579824, 1601766, 1609504, 1671408, 1692432, 1711476, 1767987, 1774864, 1785888, 1808352, 1810692, 1833468, 1843128, 1868727, 1903986, 1913184, 1949976, 1996722, 2083536, 2095392, 2112474, 2135688, 2152332, 2175984, 2193723, 2281968, 2313662, 2357316, 2402649, 2414256, 2444624, 2457504, 2459808, 2491636, 2507112, 2538648, 2567214, 2599968, 2662296, 2712528, 2716038, 2750202, 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16818543, 16899792, 17218656, 17549784, 17970498, 18509296, 18858528, 19012266, 19221192, 19933088, 20537712, 20822958, 21728304, 22001616, 22117536, 22424724, 23399712, 23960664, 24293451, 24751818, 25349688, 25628256, 27763944, 28287792, 28518399, 28831788, 29899632, 30463776, 31234437, 31947552, 32391268, 32592456, 33002424, 33637086, 33799584, 35099568, 35940996, 37018592, 38024532, 38442384, 41075424, 41645916, 43456608, 44003232, 44849448, 47921328, 48586902, 49503636, 50455629, 50699376, 55527888, 56575584, 57036798, 57663576, 59799264, 62468874, 64782536, 65184912, 66004848, 67274172, 70199136, 71881992, 72880353, 76049064, 76884768, 83291832, 89698896, 93703311, 95842656, 97173804, 99007272, 100911258, 101398752, 111055776, 114073596, 115327152, 124937748, 129565072, 130369824, 132009696, 134548344, 143763984, 145760706, 152098128, 166583664, 179397792, 187406622, 194347608, 198014544, 201822516, 218641059, 228147192, 230654304, 249875496, 259130144, 269096688, 287527968, 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約数ペア:

[(1, 20989541664), (2, 10494770832), (3, 6996513888), (4, 5247385416), (6, 3498256944), (7, 2998505952), (8, 2623692708), (9, 2332171296), (12, 1749128472), (13, 1614580128), (14, 1499252976), (16, 1311846354), (18, 1166085648), (21, 999501984), (23, 912588768), (24, 874564236), (26, 807290064), (27, 777390432), (28, 749626488), (32, 655923177), (36, 583042824), (39, 538193376), (42, 499750992), (46, 456294384), (48, 437282118), (52, 403645032), (53, 396029088), (54, 388695216), (56, 374813244), (63, 333167328), (69, 304196256), (72, 291521412), (73, 287527968), (78, 269096688), (81, 259130144), (84, 249875496), (91, 230654304), (92, 228147192), (96, 218641059), (104, 201822516), (106, 198014544), (108, 194347608), (112, 187406622), (117, 179397792), (126, 166583664), (138, 152098128), (144, 145760706), (146, 143763984), (156, 134548344), (159, 132009696), (161, 130369824), (162, 129565072), (168, 124937748), (182, 115327152), (184, 114073596), (189, 111055776), (207, 101398752), (208, 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(966, 21728304), (1008, 20822958), (1022, 20537712), (1053, 19933088), (1092, 19221192), (1104, 19012266), (1113, 18858528), (1134, 18509296), (1168, 17970498), (1196, 17549784), (1219, 17218656), (1242, 16899792), (1248, 16818543), (1272, 16501212), (1288, 16296228), (1296, 16195634), (1314, 15973776), (1378, 15231888), (1404, 14949816), (1431, 14667744), (1449, 14485536), (1456, 14415894), (1484, 14143896), (1512, 13881972), (1533, 13691808), (1638, 12814128), (1656, 12674844), (1679, 12501216), (1696, 12375909), (1752, 11980332), (1794, 11699856), (1863, 11266528), (1872, 11212362), (1898, 11058768), (1908, 11000808), (1932, 10864152), (1971, 10649184), (2016, 10411479), (2044, 10268856), (2067, 10154592), (2093, 10028448), (2106, 9966544), (2184, 9610596), (2208, 9506133), (2226, 9429264), (2268, 9254648), (2336, 8985249), (2392, 8774892), (2438, 8609328), (2457, 8542752), (2484, 8449896), (2544, 8250606), (2576, 8148114), (2592, 8097817), (2628, 7986888), (2691, 7799904), (2756, 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