20781921384

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{9157}}^1$

素因数の和:9277

約数の個数: 256

約数和(自身を含む): 70333440000

約数和(自身を除く): 49551518616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 79, 84, 108, 114, 126, 133, 152, 158, 168, 171, 189, 216, 228, 237, 252, 266, 316, 342, 378, 399, 456, 474, 504, 513, 532, 553, 632, 684, 711, 756, 798, 948, 1026, 1064, 1106, 1197, 1368, 1422, 1501, 1512, 1596, 1659, 1896, 2052, 2133, 2212, 2394, 2844, 3002, 3192, 3318, 3591, 4104, 4266, 4424, 4503, 4788, 4977, 5688, 6004, 6636, 7182, 8532, 9006, 9157, 9576, 9954, 10507, 12008, 13272, 13509, 14364, 14931, 17064, 18012, 18314, 19908, 21014, 27018, 27471, 28728, 29862, 31521, 36024, 36628, 39816, 40527, 42028, 54036, 54942, 59724, 63042, 64099, 73256, 81054, 82413, 84056, 94563, 108072, 109884, 119448, 126084, 128198, 162108, 164826, 173983, 189126, 192297, 219768, 247239, 252168, 256396, 283689, 324216, 329652, 347966, 378252, 384594, 494478, 512792, 521949, 567378, 576891, 659304, 695932, 723403, 756504, 769188, 988956, 1043898, 1134756, 1153782, 1217881, 1391864, 1446806, 1538376, 1565847, 1730673, 1977912, 2087796, 2170209, 2269512, 2307564, 2435762, 2893612, 3131694, 3461346, 3653643, 4175592, 4340418, 4615128, 4697541, 4871524, 5063821, 5787224, 6263388, 6510627, 6922692, 7307286, 8680836, 9395082, 9743048, 10127642, 10960929, 12526776, 13021254, 13744657, 13845384, 14614572, 15191463, 17361672, 18790164, 19531881, 20255284, 21921858, 26042508, 27489314, 29229144, 30382926, 32882787, 37580328, 39063762, 40510568, 41233971, 43843716, 45574389, 52085016, 54978628, 60765852, 65765574, 78127524, 82467942, 87687432, 91148778, 96212599, 109957256, 121531704, 123701913, 131531148, 136723167, 156255048, 164935884, 182297556, 192425198, 247403826, 263062296, 273446334, 288637797, 329871768, 364595112, 371105739, 384850396, 494807652, 546892668, 577275594, 742211478, 769700792, 865913391, 989615304, 1093785336, 1154551188, 1484422956, 1731826782, 2309102376, 2597740173, 2968845912, 3463653564, 5195480346, 6927307128, 10390960692, 20781921384]

約数ペア:

[(1, 20781921384), (2, 10390960692), (3, 6927307128), (4, 5195480346), (6, 3463653564), (7, 2968845912), (8, 2597740173), (9, 2309102376), (12, 1731826782), (14, 1484422956), (18, 1154551188), (19, 1093785336), (21, 989615304), (24, 865913391), (27, 769700792), (28, 742211478), (36, 577275594), (38, 546892668), (42, 494807652), (54, 384850396), (56, 371105739), (57, 364595112), (63, 329871768), (72, 288637797), (76, 273446334), (79, 263062296), (84, 247403826), (108, 192425198), (114, 182297556), (126, 164935884), (133, 156255048), (152, 136723167), (158, 131531148), (168, 123701913), (171, 121531704), (189, 109957256), (216, 96212599), (228, 91148778), (237, 87687432), (252, 82467942), (266, 78127524), (316, 65765574), (342, 60765852), (378, 54978628), (399, 52085016), (456, 45574389), (474, 43843716), (504, 41233971), (513, 40510568), (532, 39063762), (553, 37580328), (632, 32882787), (684, 30382926), (711, 29229144), (756, 27489314), (798, 26042508), (948, 21921858), (1026, 20255284), (1064, 19531881), (1106, 18790164), (1197, 17361672), (1368, 15191463), (1422, 14614572), (1501, 13845384), (1512, 13744657), (1596, 13021254), (1659, 12526776), (1896, 10960929), (2052, 10127642), (2133, 9743048), (2212, 9395082), (2394, 8680836), (2844, 7307286), (3002, 6922692), (3192, 6510627), (3318, 6263388), (3591, 5787224), (4104, 5063821), (4266, 4871524), (4424, 4697541), (4503, 4615128), (4788, 4340418), (4977, 4175592), (5688, 3653643), (6004, 3461346), (6636, 3131694), (7182, 2893612), (8532, 2435762), (9006, 2307564), (9157, 2269512), (9576, 2170209), (9954, 2087796), (10507, 1977912), (12008, 1730673), (13272, 1565847), (13509, 1538376), (14364, 1446806), (14931, 1391864), (17064, 1217881), (18012, 1153782), (18314, 1134756), (19908, 1043898), (21014, 988956), (27018, 769188), (27471, 756504), (28728, 723403), (29862, 695932), (31521, 659304), (36024, 576891), (36628, 567378), (39816, 521949), (40527, 512792), (42028, 494478), (54036, 384594), (54942, 378252), (59724, 347966), (63042, 329652), (64099, 324216), (73256, 283689), (81054, 256396), (82413, 252168), (84056, 247239), (94563, 219768), (108072, 192297), (109884, 189126), (119448, 173983), (126084, 164826), (128198, 162108)]