20878528086

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{1657}}^1$

素因数の和:1908

約数の個数: 160

約数和(自身を含む): 52308334848

約数和(自身を除く): 31429806762

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 81, 93, 117, 162, 186, 193, 234, 279, 351, 386, 403, 558, 579, 702, 806, 837, 1053, 1158, 1209, 1657, 1674, 1737, 2106, 2418, 2509, 2511, 3314, 3474, 3627, 4971, 5018, 5022, 5211, 5983, 7254, 7527, 9942, 10422, 10881, 11966, 14913, 15054, 15633, 17949, 21541, 21762, 22581, 29826, 31266, 32643, 35898, 43082, 44739, 45162, 51367, 53847, 64623, 65286, 67743, 77779, 89478, 102734, 107694, 129246, 134217, 135486, 154101, 155558, 161541, 193869, 203229, 233337, 268434, 308202, 319801, 323082, 387738, 406458, 462303, 466674, 484623, 581607, 639602, 667771, 700011, 924606, 959403, 969246, 1163214, 1335542, 1386909, 1400022, 1744821, 1918806, 2003313, 2100033, 2773818, 2878209, 3489642, 4006626, 4157413, 4160727, 4200066, 5756418, 6009939, 6300099, 8314826, 8321454, 8634627, 9913831, 12019878, 12472239, 12600198, 17269254, 18029817, 19827662, 24944478, 25903881, 29741493, 36059634, 37416717, 51807762, 54089451, 59482986, 74833434, 89224479, 108178902, 112250151, 128879803, 178448958, 224500302, 257759606, 267673437, 336750453, 386639409, 535346874, 673500906, 773278818, 803020311, 1159918227, 1606040622, 2319836454, 3479754681, 6959509362, 10439264043, 20878528086]

約数ペア:

[(1, 20878528086), (2, 10439264043), (3, 6959509362), (6, 3479754681), (9, 2319836454), (13, 1606040622), (18, 1159918227), (26, 803020311), (27, 773278818), (31, 673500906), (39, 535346874), (54, 386639409), (62, 336750453), (78, 267673437), (81, 257759606), (93, 224500302), (117, 178448958), (162, 128879803), (186, 112250151), (193, 108178902), (234, 89224479), (279, 74833434), (351, 59482986), (386, 54089451), (403, 51807762), (558, 37416717), (579, 36059634), (702, 29741493), (806, 25903881), (837, 24944478), (1053, 19827662), (1158, 18029817), (1209, 17269254), (1657, 12600198), (1674, 12472239), (1737, 12019878), (2106, 9913831), (2418, 8634627), (2509, 8321454), (2511, 8314826), (3314, 6300099), (3474, 6009939), (3627, 5756418), (4971, 4200066), (5018, 4160727), (5022, 4157413), (5211, 4006626), (5983, 3489642), (7254, 2878209), (7527, 2773818), (9942, 2100033), (10422, 2003313), (10881, 1918806), (11966, 1744821), (14913, 1400022), (15054, 1386909), (15633, 1335542), (17949, 1163214), (21541, 969246), (21762, 959403), (22581, 924606), (29826, 700011), (31266, 667771), (32643, 639602), (35898, 581607), (43082, 484623), (44739, 466674), (45162, 462303), (51367, 406458), (53847, 387738), (64623, 323082), (65286, 319801), (67743, 308202), (77779, 268434), (89478, 233337), (102734, 203229), (107694, 193869), (129246, 161541), (134217, 155558), (135486, 154101)]