20403717152

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1331

約数の個数: 192

約数和(自身を含む): 52511203584

約数和(自身を除く): 32107486432

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 224, 238, 272, 364, 416, 442, 476, 544, 641, 643, 728, 884, 952, 1282, 1286, 1456, 1547, 1768, 1904, 2564, 2572, 2912, 3094, 3536, 3808, 4487, 4501, 5128, 5144, 6188, 7072, 8333, 8359, 8974, 9002, 10256, 10288, 10897, 10931, 12376, 16666, 16718, 17948, 18004, 20512, 20576, 21794, 21862, 24752, 33332, 33436, 35896, 36008, 43588, 43724, 49504, 58331, 58513, 66664, 66872, 71792, 72016, 76279, 76517, 87176, 87448, 116662, 117026, 133328, 133744, 141661, 142103, 143584, 144032, 152558, 153034, 174352, 174896, 233324, 234052, 266656, 267488, 283322, 284206, 305116, 306068, 348704, 349792, 412163, 466648, 468104, 566644, 568412, 610232, 612136, 824326, 933296, 936208, 991627, 994721, 1133288, 1136824, 1220464, 1224272, 1648652, 1866592, 1872416, 1983254, 1989442, 2266576, 2273648, 2440928, 2448544, 2885141, 3297304, 3966508, 3978884, 4533152, 4547296, 5358119, 5770282, 6594608, 7006771, 7933016, 7957768, 10716238, 11540564, 13189216, 14013542, 15866032, 15915536, 21432476, 23081128, 28027084, 31732064, 31831072, 37506833, 42864952, 46162256, 49047397, 56054168, 75013666, 85729904, 91088023, 92324512, 98094794, 112108336, 150027332, 171459808, 182176046, 196189588, 224216672, 300054664, 364352092, 392379176, 600109328, 637616161, 728704184, 784758352, 1200218656, 1275232322, 1457408368, 1569516704, 2550464644, 2914816736, 5100929288, 10201858576, 20403717152]

約数ペア:

[(1, 20403717152), (2, 10201858576), (4, 5100929288), (7, 2914816736), (8, 2550464644), (13, 1569516704), (14, 1457408368), (16, 1275232322), (17, 1200218656), (26, 784758352), (28, 728704184), (32, 637616161), (34, 600109328), (52, 392379176), (56, 364352092), (68, 300054664), (91, 224216672), (104, 196189588), (112, 182176046), (119, 171459808), (136, 150027332), (182, 112108336), (208, 98094794), (221, 92324512), (224, 91088023), (238, 85729904), (272, 75013666), (364, 56054168), (416, 49047397), (442, 46162256), (476, 42864952), (544, 37506833), (641, 31831072), (643, 31732064), (728, 28027084), (884, 23081128), (952, 21432476), (1282, 15915536), (1286, 15866032), (1456, 14013542), (1547, 13189216), (1768, 11540564), (1904, 10716238), (2564, 7957768), (2572, 7933016), (2912, 7006771), (3094, 6594608), (3536, 5770282), (3808, 5358119), (4487, 4547296), (4501, 4533152), (5128, 3978884), (5144, 3966508), (6188, 3297304), (7072, 2885141), (8333, 2448544), (8359, 2440928), (8974, 2273648), (9002, 2266576), (10256, 1989442), (10288, 1983254), (10897, 1872416), (10931, 1866592), (12376, 1648652), (16666, 1224272), (16718, 1220464), (17948, 1136824), (18004, 1133288), (20512, 994721), (20576, 991627), (21794, 936208), (21862, 933296), (24752, 824326), (33332, 612136), (33436, 610232), (35896, 568412), (36008, 566644), (43588, 468104), (43724, 466648), (49504, 412163), (58331, 349792), (58513, 348704), (66664, 306068), (66872, 305116), (71792, 284206), (72016, 283322), (76279, 267488), (76517, 266656), (87176, 234052), (87448, 233324), (116662, 174896), (117026, 174352), (133328, 153034), (133744, 152558), (141661, 144032), (142103, 143584)]