20168687664

素因数分解:

$2^4\times 3^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:490

約数の個数: 400

約数和(自身を含む): 64466186400

約数和(自身を除く): 44297498736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 43, 48, 51, 54, 61, 68, 72, 81, 86, 102, 108, 122, 129, 136, 144, 153, 162, 172, 183, 204, 216, 244, 258, 272, 306, 324, 344, 349, 366, 387, 408, 432, 459, 488, 516, 549, 612, 648, 688, 698, 731, 732, 774, 816, 918, 976, 1032, 1037, 1047, 1098, 1161, 1224, 1296, 1377, 1396, 1462, 1464, 1548, 1647, 1836, 2064, 2074, 2094, 2193, 2196, 2322, 2448, 2623, 2754, 2792, 2924, 2928, 3096, 3111, 3141, 3294, 3483, 3672, 4148, 4188, 4386, 4392, 4644, 4941, 5246, 5508, 5584, 5848, 5933, 6192, 6222, 6282, 6579, 6588, 6966, 7344, 7869, 8296, 8376, 8772, 8784, 9288, 9333, 9423, 9882, 10492, 11016, 11696, 11866, 12444, 12564, 13158, 13176, 13932, 15007, 15738, 16592, 16752, 17544, 17799, 18576, 18666, 18846, 19737, 19764, 20984, 21289, 22032, 23607, 23732, 24888, 25128, 26316, 26352, 27864, 27999, 28269, 30014, 31476, 35088, 35598, 37332, 37692, 39474, 39528, 41968, 42578, 44591, 45021, 47214, 47464, 49776, 50256, 52632, 53397, 55728, 55998, 56538, 59211, 60028, 62952, 63867, 70821, 71196, 74664, 75384, 78948, 79056, 83997, 85156, 89182, 90042, 94428, 94928, 105264, 106794, 111996, 113076, 118422, 120056, 125904, 127734, 133773, 135063, 141642, 142392, 149328, 150768, 157896, 160191, 167994, 170312, 178364, 180084, 188856, 191601, 212463, 213588, 223992, 226152, 236844, 240112, 255119, 255468, 267546, 270126, 283284, 284784, 315792, 320382, 335988, 340624, 356728, 360168, 361913, 377712, 383202, 401319, 405189, 424926, 427176, 447984, 452304, 473688, 480573, 510238, 510936, 535092, 540252, 566568, 574803, 640764, 671976, 713456, 720336, 723826, 765357, 766404, 802638, 810378, 849852, 854352, 915427, 947376, 961146, 1020476, 1021872, 1070184, 1080504, 1085739, 1133136, 1149606, 1203957, 1215567, 1281528, 1343952, 1447652, 1530714, 1532808, 1605276, 1620756, 1699704, 1724409, 1830854, 1922292, 2040952, 2140368, 2161008, 2171478, 2296071, 2299212, 2407914, 2431134, 2563056, 2746281, 2895304, 3061428, 3065616, 3210552, 3241512, 3257217, 3399408, 3448818, 3611871, 3661708, 3844584, 4081904, 4342956, 4592142, 4598424, 4815828, 4862268, 5492562, 5790608, 6122856, 6421104, 6483024, 6514434, 6888213, 6897636, 7223742, 7323416, 7689168, 8238843, 8685912, 9184284, 9196848, 9631656, 9724536, 9771651, 10985124, 12245712, 13028868, 13776426, 13795272, 14447484, 14646832, 15562259, 16477686, 17371824, 18368568, 19263312, 19449072, 19543302, 20664639, 21970248, 24716529, 26057736, 27552852, 27590544, 28894968, 29314953, 31124518, 32955372, 36737136, 39086604, 41329278, 43940496, 46686777, 49433058, 52115472, 55105704, 57789936, 58629906, 62249036, 65910744, 74149587, 78173208, 82658556, 93373554, 98866116, 110211408, 117259812, 124498072, 131821488, 140060331, 148299174, 156346416, 165317112, 186747108, 197732232, 234519624, 248996144, 280120662, 296598348, 330634224, 373494216, 395464464, 420180993, 469039248, 560241324, 593196696, 746988432, 840361986, 1120482648, 1186393392, 1260542979, 1680723972, 2240965296, 2521085958, 3361447944, 5042171916, 6722895888, 10084343832, 20168687664]

約数ペア:

[(1, 20168687664), (2, 10084343832), (3, 6722895888), (4, 5042171916), (6, 3361447944), (8, 2521085958), (9, 2240965296), (12, 1680723972), (16, 1260542979), (17, 1186393392), (18, 1120482648), (24, 840361986), (27, 746988432), (34, 593196696), (36, 560241324), (43, 469039248), (48, 420180993), (51, 395464464), (54, 373494216), (61, 330634224), (68, 296598348), (72, 280120662), (81, 248996144), (86, 234519624), (102, 197732232), (108, 186747108), (122, 165317112), (129, 156346416), (136, 148299174), (144, 140060331), (153, 131821488), (162, 124498072), (172, 117259812), (183, 110211408), (204, 98866116), (216, 93373554), (244, 82658556), (258, 78173208), (272, 74149587), (306, 65910744), (324, 62249036), (344, 58629906), (349, 57789936), (366, 55105704), (387, 52115472), (408, 49433058), (432, 46686777), (459, 43940496), (488, 41329278), (516, 39086604), (549, 36737136), (612, 32955372), (648, 31124518), (688, 29314953), (698, 28894968), (731, 27590544), (732, 27552852), (774, 26057736), (816, 24716529), (918, 21970248), (976, 20664639), (1032, 19543302), (1037, 19449072), (1047, 19263312), (1098, 18368568), (1161, 17371824), (1224, 16477686), (1296, 15562259), (1377, 14646832), (1396, 14447484), (1462, 13795272), (1464, 13776426), (1548, 13028868), (1647, 12245712), (1836, 10985124), (2064, 9771651), (2074, 9724536), (2094, 9631656), (2193, 9196848), (2196, 9184284), (2322, 8685912), (2448, 8238843), (2623, 7689168), (2754, 7323416), (2792, 7223742), (2924, 6897636), (2928, 6888213), (3096, 6514434), (3111, 6483024), (3141, 6421104), (3294, 6122856), (3483, 5790608), (3672, 5492562), (4148, 4862268), (4188, 4815828), (4386, 4598424), (4392, 4592142), (4644, 4342956), (4941, 4081904), (5246, 3844584), (5508, 3661708), (5584, 3611871), (5848, 3448818), (5933, 3399408), (6192, 3257217), (6222, 3241512), (6282, 3210552), (6579, 3065616), (6588, 3061428), (6966, 2895304), (7344, 2746281), (7869, 2563056), (8296, 2431134), (8376, 2407914), (8772, 2299212), (8784, 2296071), (9288, 2171478), (9333, 2161008), (9423, 2140368), (9882, 2040952), (10492, 1922292), (11016, 1830854), (11696, 1724409), (11866, 1699704), (12444, 1620756), (12564, 1605276), (13158, 1532808), (13176, 1530714), (13932, 1447652), (15007, 1343952), (15738, 1281528), (16592, 1215567), (16752, 1203957), (17544, 1149606), (17799, 1133136), (18576, 1085739), (18666, 1080504), (18846, 1070184), (19737, 1021872), (19764, 1020476), (20984, 961146), (21289, 947376), (22032, 915427), (23607, 854352), (23732, 849852), (24888, 810378), (25128, 802638), (26316, 766404), (26352, 765357), (27864, 723826), (27999, 720336), (28269, 713456), (30014, 671976), (31476, 640764), (35088, 574803), (35598, 566568), (37332, 540252), (37692, 535092), (39474, 510936), (39528, 510238), (41968, 480573), (42578, 473688), (44591, 452304), (45021, 447984), (47214, 427176), (47464, 424926), (49776, 405189), (50256, 401319), (52632, 383202), (53397, 377712), (55728, 361913), (55998, 360168), (56538, 356728), (59211, 340624), (60028, 335988), (62952, 320382), (63867, 315792), (70821, 284784), (71196, 283284), (74664, 270126), (75384, 267546), (78948, 255468), (79056, 255119), (83997, 240112), (85156, 236844), (89182, 226152), (90042, 223992), (94428, 213588), (94928, 212463), (105264, 191601), (106794, 188856), (111996, 180084), (113076, 178364), (118422, 170312), (120056, 167994), (125904, 160191), (127734, 157896), (133773, 150768), (135063, 149328), (141642, 142392)]