20858787936

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{28661}}^1$

素因数の和:28722

約数の個数: 216

約数和(自身を含む): 71549294544

約数和(自身を除く): 50690506608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 96, 112, 114, 126, 133, 144, 152, 168, 171, 224, 228, 252, 266, 288, 304, 336, 342, 361, 399, 456, 504, 532, 608, 672, 684, 722, 798, 912, 1008, 1064, 1083, 1197, 1368, 1444, 1596, 1824, 2016, 2128, 2166, 2394, 2527, 2736, 2888, 3192, 3249, 4256, 4332, 4788, 5054, 5472, 5776, 6384, 6498, 7581, 8664, 9576, 10108, 11552, 12768, 12996, 15162, 17328, 19152, 20216, 22743, 25992, 28661, 30324, 34656, 38304, 40432, 45486, 51984, 57322, 60648, 80864, 85983, 90972, 103968, 114644, 121296, 171966, 181944, 200627, 229288, 242592, 257949, 343932, 363888, 401254, 458576, 515898, 544559, 601881, 687864, 727776, 802508, 917152, 1031796, 1089118, 1203762, 1375728, 1605016, 1633677, 1805643, 2063592, 2178236, 2407524, 2751456, 3210032, 3267354, 3611286, 3811913, 4127184, 4356472, 4815048, 4901031, 6420064, 6534708, 7222572, 7623826, 8254368, 8712944, 9630096, 9802062, 10346621, 11435739, 13069416, 14445144, 15247652, 17425888, 19260192, 19604124, 20693242, 22871478, 26138832, 28890288, 30495304, 31039863, 34307217, 39208248, 41386484, 45742956, 52277664, 57780576, 60990608, 62079726, 68614434, 72426347, 78416496, 82772968, 91485912, 93119589, 121981216, 124159452, 137228868, 144852694, 156832992, 165545936, 182971824, 186239178, 217279041, 248318904, 274457736, 289705388, 331091872, 365943648, 372478356, 434558082, 496637808, 548915472, 579410776, 651837123, 744956712, 869116164, 993275616, 1097830944, 1158821552, 1303674246, 1489913424, 1738232328, 2317643104, 2607348492, 2979826848, 3476464656, 5214696984, 6952929312, 10429393968, 20858787936]

約数ペア:

[(1, 20858787936), (2, 10429393968), (3, 6952929312), (4, 5214696984), (6, 3476464656), (7, 2979826848), (8, 2607348492), (9, 2317643104), (12, 1738232328), (14, 1489913424), (16, 1303674246), (18, 1158821552), (19, 1097830944), (21, 993275616), (24, 869116164), (28, 744956712), (32, 651837123), (36, 579410776), (38, 548915472), (42, 496637808), (48, 434558082), (56, 372478356), (57, 365943648), (63, 331091872), (72, 289705388), (76, 274457736), (84, 248318904), (96, 217279041), (112, 186239178), (114, 182971824), (126, 165545936), (133, 156832992), (144, 144852694), (152, 137228868), (168, 124159452), (171, 121981216), (224, 93119589), (228, 91485912), (252, 82772968), (266, 78416496), (288, 72426347), (304, 68614434), (336, 62079726), (342, 60990608), (361, 57780576), (399, 52277664), (456, 45742956), (504, 41386484), (532, 39208248), (608, 34307217), (672, 31039863), (684, 30495304), (722, 28890288), (798, 26138832), (912, 22871478), (1008, 20693242), (1064, 19604124), (1083, 19260192), (1197, 17425888), (1368, 15247652), (1444, 14445144), (1596, 13069416), (1824, 11435739), (2016, 10346621), (2128, 9802062), (2166, 9630096), (2394, 8712944), (2527, 8254368), (2736, 7623826), (2888, 7222572), (3192, 6534708), (3249, 6420064), (4256, 4901031), (4332, 4815048), (4788, 4356472), (5054, 4127184), (5472, 3811913), (5776, 3611286), (6384, 3267354), (6498, 3210032), (7581, 2751456), (8664, 2407524), (9576, 2178236), (10108, 2063592), (11552, 1805643), (12768, 1633677), (12996, 1605016), (15162, 1375728), (17328, 1203762), (19152, 1089118), (20216, 1031796), (22743, 917152), (25992, 802508), (28661, 727776), (30324, 687864), (34656, 601881), (38304, 544559), (40432, 515898), (45486, 458576), (51984, 401254), (57322, 363888), (60648, 343932), (80864, 257949), (85983, 242592), (90972, 229288), (103968, 200627), (114644, 181944), (121296, 171966)]