20122621792

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1406

約数の個数: 192

約数和(自身を含む): 50667724800

約数和(自身を除く): 30545103008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 169, 182, 208, 217, 224, 248, 338, 364, 403, 416, 434, 496, 676, 728, 806, 868, 992, 1183, 1319, 1352, 1456, 1612, 1736, 2197, 2366, 2638, 2704, 2821, 2912, 3224, 3472, 4394, 4732, 5239, 5276, 5408, 5642, 6448, 6944, 8788, 9233, 9464, 10478, 10552, 11284, 12896, 15379, 17147, 17576, 18466, 18928, 20956, 21104, 22568, 30758, 34294, 35152, 36673, 36932, 37856, 40889, 41912, 42208, 45136, 61516, 68107, 68588, 70304, 73346, 73864, 81778, 83824, 90272, 120029, 123032, 136214, 137176, 146692, 147728, 163556, 167648, 222911, 240058, 246064, 272428, 274352, 286223, 293384, 295456, 327112, 445822, 476749, 480116, 492128, 531557, 544856, 548704, 572446, 586768, 654224, 891644, 953498, 960232, 1063114, 1089712, 1144892, 1173536, 1308448, 1560377, 1783288, 1906996, 1920464, 2126228, 2179424, 2289784, 2897843, 3120754, 3566576, 3720899, 3813992, 3840928, 4252456, 4579568, 5795686, 6241508, 6910241, 7133152, 7441798, 7627984, 8504912, 9159136, 11591372, 12483016, 13820482, 14883596, 15255968, 17009824, 20284901, 23182744, 24966032, 27640964, 29767192, 40569802, 46365488, 48371687, 49932064, 55281928, 59534384, 81139604, 89833133, 92730976, 96743374, 110563856, 119068768, 162279208, 179666266, 193486748, 221127712, 324558416, 359332532, 386973496, 628831931, 649116832, 718665064, 773946992, 1257663862, 1437330128, 1547893984, 2515327724, 2874660256, 5030655448, 10061310896, 20122621792]

約数ペア:

[(1, 20122621792), (2, 10061310896), (4, 5030655448), (7, 2874660256), (8, 2515327724), (13, 1547893984), (14, 1437330128), (16, 1257663862), (26, 773946992), (28, 718665064), (31, 649116832), (32, 628831931), (52, 386973496), (56, 359332532), (62, 324558416), (91, 221127712), (104, 193486748), (112, 179666266), (124, 162279208), (169, 119068768), (182, 110563856), (208, 96743374), (217, 92730976), (224, 89833133), (248, 81139604), (338, 59534384), (364, 55281928), (403, 49932064), (416, 48371687), (434, 46365488), (496, 40569802), (676, 29767192), (728, 27640964), (806, 24966032), (868, 23182744), (992, 20284901), (1183, 17009824), (1319, 15255968), (1352, 14883596), (1456, 13820482), (1612, 12483016), (1736, 11591372), (2197, 9159136), (2366, 8504912), (2638, 7627984), (2704, 7441798), (2821, 7133152), (2912, 6910241), (3224, 6241508), (3472, 5795686), (4394, 4579568), (4732, 4252456), (5239, 3840928), (5276, 3813992), (5408, 3720899), (5642, 3566576), (6448, 3120754), (6944, 2897843), (8788, 2289784), (9233, 2179424), (9464, 2126228), (10478, 1920464), (10552, 1906996), (11284, 1783288), (12896, 1560377), (15379, 1308448), (17147, 1173536), (17576, 1144892), (18466, 1089712), (18928, 1063114), (20956, 960232), (21104, 953498), (22568, 891644), (30758, 654224), (34294, 586768), (35152, 572446), (36673, 548704), (36932, 544856), (37856, 531557), (40889, 492128), (41912, 480116), (42208, 476749), (45136, 445822), (61516, 327112), (68107, 295456), (68588, 293384), (70304, 286223), (73346, 274352), (73864, 272428), (81778, 246064), (83824, 240058), (90272, 222911), (120029, 167648), (123032, 163556), (136214, 147728), (137176, 146692)]