20865285168

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{1297}}^1$

素因数の和:1484

約数の個数: 320

約数和(自身を含む): 69222236160

約数和(自身を除く): 48356950992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 29, 39, 42, 48, 52, 56, 58, 78, 84, 87, 91, 104, 112, 116, 127, 156, 168, 174, 182, 203, 208, 232, 254, 273, 312, 336, 348, 364, 377, 381, 406, 464, 508, 546, 609, 624, 696, 728, 754, 762, 812, 889, 1016, 1092, 1131, 1218, 1297, 1392, 1456, 1508, 1524, 1624, 1651, 1778, 2032, 2184, 2262, 2436, 2594, 2639, 2667, 3016, 3048, 3248, 3302, 3556, 3683, 3891, 4368, 4524, 4872, 4953, 5188, 5278, 5334, 6032, 6096, 6604, 7112, 7366, 7782, 7917, 9048, 9079, 9744, 9906, 10376, 10556, 10668, 11049, 11557, 13208, 14224, 14732, 15564, 15834, 16861, 18096, 18158, 19812, 20752, 21112, 21336, 22098, 23114, 25781, 26416, 27237, 29464, 31128, 31668, 33722, 34671, 36316, 37613, 39624, 42224, 42672, 44196, 46228, 47879, 50583, 51562, 54474, 58928, 62256, 63336, 67444, 69342, 72632, 75226, 77343, 79248, 88392, 92456, 95758, 101166, 103124, 108948, 112839, 118027, 126672, 134888, 138684, 143637, 145264, 150452, 154686, 164719, 176784, 184912, 191516, 202332, 206248, 217896, 225678, 236054, 263291, 269776, 277368, 287274, 300904, 309372, 329438, 335153, 354081, 383032, 404664, 412496, 435792, 451356, 472108, 488969, 494157, 526582, 554736, 574548, 601808, 618744, 658876, 670306, 708162, 766064, 789873, 809328, 902712, 944216, 977938, 988314, 1005459, 1053164, 1149096, 1153033, 1237488, 1317752, 1340612, 1416324, 1466907, 1579746, 1805424, 1888432, 1955876, 1976628, 2010918, 2106328, 2141347, 2298192, 2306066, 2635504, 2681224, 2832648, 2933814, 3159492, 3422783, 3459099, 3911752, 3953256, 4021836, 4212656, 4282694, 4612132, 4776851, 5362448, 5665296, 5867628, 6318984, 6424041, 6845566, 6918198, 7823504, 7906512, 8043672, 8565388, 9224264, 9553702, 10268349, 11735256, 12637968, 12848082, 13691132, 13836396, 14330553, 14989429, 16087344, 17130776, 18448528, 19107404, 20536698, 23470512, 25696164, 27382264, 27672792, 28661106, 29978858, 33437957, 34261552, 38214808, 41073396, 44968287, 51392328, 54764528, 55345584, 57322212, 59957716, 62099063, 66875914, 76429616, 82146792, 89936574, 100313871, 102784656, 114644424, 119915432, 124198126, 133751828, 164293584, 179873148, 186297189, 200627742, 229288848, 239830864, 248396252, 267503656, 359746296, 372594378, 401255484, 434693441, 496792504, 535007312, 719492592, 745188756, 802510968, 869386882, 993585008, 1304080323, 1490377512, 1605021936, 1738773764, 2608160646, 2980755024, 3477547528, 5216321292, 6955095056, 10432642584, 20865285168]

約数ペア:

[(1, 20865285168), (2, 10432642584), (3, 6955095056), (4, 5216321292), (6, 3477547528), (7, 2980755024), (8, 2608160646), (12, 1738773764), (13, 1605021936), (14, 1490377512), (16, 1304080323), (21, 993585008), (24, 869386882), (26, 802510968), (28, 745188756), (29, 719492592), (39, 535007312), (42, 496792504), (48, 434693441), (52, 401255484), (56, 372594378), (58, 359746296), (78, 267503656), (84, 248396252), (87, 239830864), (91, 229288848), (104, 200627742), (112, 186297189), (116, 179873148), (127, 164293584), (156, 133751828), (168, 124198126), (174, 119915432), (182, 114644424), (203, 102784656), (208, 100313871), (232, 89936574), (254, 82146792), (273, 76429616), (312, 66875914), (336, 62099063), (348, 59957716), (364, 57322212), (377, 55345584), (381, 54764528), (406, 51392328), (464, 44968287), (508, 41073396), (546, 38214808), (609, 34261552), (624, 33437957), (696, 29978858), (728, 28661106), (754, 27672792), (762, 27382264), (812, 25696164), (889, 23470512), (1016, 20536698), (1092, 19107404), (1131, 18448528), (1218, 17130776), (1297, 16087344), (1392, 14989429), (1456, 14330553), (1508, 13836396), (1524, 13691132), (1624, 12848082), (1651, 12637968), (1778, 11735256), (2032, 10268349), (2184, 9553702), (2262, 9224264), (2436, 8565388), (2594, 8043672), (2639, 7906512), (2667, 7823504), (3016, 6918198), (3048, 6845566), (3248, 6424041), (3302, 6318984), (3556, 5867628), (3683, 5665296), (3891, 5362448), (4368, 4776851), (4524, 4612132), (4872, 4282694), (4953, 4212656), (5188, 4021836), (5278, 3953256), (5334, 3911752), (6032, 3459099), (6096, 3422783), (6604, 3159492), (7112, 2933814), (7366, 2832648), (7782, 2681224), (7917, 2635504), (9048, 2306066), (9079, 2298192), (9744, 2141347), (9906, 2106328), (10376, 2010918), (10556, 1976628), (10668, 1955876), (11049, 1888432), (11557, 1805424), (13208, 1579746), (14224, 1466907), (14732, 1416324), (15564, 1340612), (15834, 1317752), (16861, 1237488), (18096, 1153033), (18158, 1149096), (19812, 1053164), (20752, 1005459), (21112, 988314), (21336, 977938), (22098, 944216), (23114, 902712), (25781, 809328), (26416, 789873), (27237, 766064), (29464, 708162), (31128, 670306), (31668, 658876), (33722, 618744), (34671, 601808), (36316, 574548), (37613, 554736), (39624, 526582), (42224, 494157), (42672, 488969), (44196, 472108), (46228, 451356), (47879, 435792), (50583, 412496), (51562, 404664), (54474, 383032), (58928, 354081), (62256, 335153), (63336, 329438), (67444, 309372), (69342, 300904), (72632, 287274), (75226, 277368), (77343, 269776), (79248, 263291), (88392, 236054), (92456, 225678), (95758, 217896), (101166, 206248), (103124, 202332), (108948, 191516), (112839, 184912), (118027, 176784), (126672, 164719), (134888, 154686), (138684, 150452), (143637, 145264)]