20671689168

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:914

約数の個数: 240

約数和(自身を含む): 63434314944

約数和(自身を除く): 42762625776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 83, 104, 117, 144, 156, 166, 208, 233, 234, 249, 312, 332, 466, 468, 498, 571, 624, 664, 699, 747, 932, 936, 996, 1079, 1142, 1328, 1398, 1494, 1713, 1864, 1872, 1992, 2097, 2158, 2284, 2796, 2988, 3029, 3237, 3426, 3728, 3984, 4194, 4316, 4568, 5139, 5592, 5976, 6058, 6474, 6852, 7423, 8388, 8632, 9087, 9136, 9711, 10278, 11184, 11952, 12116, 12948, 13704, 14846, 16776, 17264, 18174, 19339, 19422, 20556, 22269, 24232, 25896, 27261, 27408, 29692, 33552, 36348, 38678, 38844, 41112, 44538, 47393, 48464, 51792, 54522, 58017, 59384, 66807, 72696, 77356, 77688, 82224, 89076, 94786, 109044, 116034, 118768, 133043, 133614, 142179, 145392, 154712, 155376, 174051, 178152, 189572, 218088, 232068, 251407, 266086, 267228, 284358, 309424, 348102, 356304, 379144, 399129, 426537, 436176, 464136, 502814, 532172, 534456, 568716, 616109, 696204, 754221, 758288, 798258, 853074, 928272, 1005628, 1064344, 1068912, 1137432, 1197387, 1232218, 1392408, 1508442, 1596516, 1706148, 1729559, 1848327, 2011256, 2128688, 2262663, 2274864, 2394774, 2464436, 2784816, 3016884, 3193032, 3412296, 3459118, 3696654, 4022512, 4525326, 4789548, 4928872, 5188677, 5544981, 6033768, 6386064, 6824592, 6918236, 7393308, 9050652, 9579096, 9857744, 10377354, 11042569, 11089962, 12067536, 13836472, 14786616, 15566031, 18101304, 19158192, 20754708, 22085138, 22179924, 27672944, 29573232, 31132062, 33127707, 36202608, 41509416, 44170276, 44359848, 62264124, 66255414, 83018832, 88340552, 88719696, 99383121, 124528248, 132510828, 143553397, 176681104, 198766242, 249056496, 265021656, 287106794, 397532484, 430660191, 530043312, 574213588, 795064968, 861320382, 1148427176, 1291980573, 1590129936, 1722640764, 2296854352, 2583961146, 3445281528, 5167922292, 6890563056, 10335844584, 20671689168]

約数ペア:

[(1, 20671689168), (2, 10335844584), (3, 6890563056), (4, 5167922292), (6, 3445281528), (8, 2583961146), (9, 2296854352), (12, 1722640764), (13, 1590129936), (16, 1291980573), (18, 1148427176), (24, 861320382), (26, 795064968), (36, 574213588), (39, 530043312), (48, 430660191), (52, 397532484), (72, 287106794), (78, 265021656), (83, 249056496), (104, 198766242), (117, 176681104), (144, 143553397), (156, 132510828), (166, 124528248), (208, 99383121), (233, 88719696), (234, 88340552), (249, 83018832), (312, 66255414), (332, 62264124), (466, 44359848), (468, 44170276), (498, 41509416), (571, 36202608), (624, 33127707), (664, 31132062), (699, 29573232), (747, 27672944), (932, 22179924), (936, 22085138), (996, 20754708), (1079, 19158192), (1142, 18101304), (1328, 15566031), (1398, 14786616), (1494, 13836472), (1713, 12067536), (1864, 11089962), (1872, 11042569), (1992, 10377354), (2097, 9857744), (2158, 9579096), (2284, 9050652), (2796, 7393308), (2988, 6918236), (3029, 6824592), (3237, 6386064), (3426, 6033768), (3728, 5544981), (3984, 5188677), (4194, 4928872), (4316, 4789548), (4568, 4525326), (5139, 4022512), (5592, 3696654), (5976, 3459118), (6058, 3412296), (6474, 3193032), (6852, 3016884), (7423, 2784816), (8388, 2464436), (8632, 2394774), (9087, 2274864), (9136, 2262663), (9711, 2128688), (10278, 2011256), (11184, 1848327), (11952, 1729559), (12116, 1706148), (12948, 1596516), (13704, 1508442), (14846, 1392408), (16776, 1232218), (17264, 1197387), (18174, 1137432), (19339, 1068912), (19422, 1064344), (20556, 1005628), (22269, 928272), (24232, 853074), (25896, 798258), (27261, 758288), (27408, 754221), (29692, 696204), (33552, 616109), (36348, 568716), (38678, 534456), (38844, 532172), (41112, 502814), (44538, 464136), (47393, 436176), (48464, 426537), (51792, 399129), (54522, 379144), (58017, 356304), (59384, 348102), (66807, 309424), (72696, 284358), (77356, 267228), (77688, 266086), (82224, 251407), (89076, 232068), (94786, 218088), (109044, 189572), (116034, 178152), (118768, 174051), (133043, 155376), (133614, 154712), (142179, 145392)]