20002229520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{4649}}^1$

素因数の和:4882

約数の個数: 320

約数和(自身を含む): 76720089600

約数和(自身を除く): 56717860080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 197, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 394, 420, 455, 520, 546, 560, 591, 624, 728, 780, 788, 840, 910, 985, 1040, 1092, 1182, 1365, 1379, 1456, 1560, 1576, 1680, 1820, 1970, 2184, 2364, 2561, 2730, 2758, 2955, 3120, 3152, 3640, 3940, 4137, 4368, 4649, 4728, 5122, 5460, 5516, 5910, 6895, 7280, 7683, 7880, 8274, 9298, 9456, 10244, 10920, 11032, 11820, 12805, 13790, 13947, 15366, 15760, 16548, 17927, 18596, 20488, 20685, 21840, 22064, 23245, 23640, 25610, 27580, 27894, 30732, 32543, 33096, 35854, 37192, 38415, 40976, 41370, 46490, 47280, 51220, 53781, 55160, 55788, 60437, 61464, 65086, 66192, 69735, 71708, 74384, 76830, 82740, 89635, 92980, 97629, 102440, 107562, 110320, 111576, 120874, 122928, 130172, 139470, 143416, 153660, 162715, 165480, 179270, 181311, 185960, 195258, 204880, 215124, 223152, 241748, 260344, 268905, 278940, 286832, 302185, 307320, 325430, 330960, 358540, 362622, 371920, 390516, 423059, 430248, 483496, 488145, 520688, 537810, 557880, 604370, 614640, 650860, 717080, 725244, 781032, 846118, 860496, 906555, 915853, 966992, 976290, 1075620, 1115760, 1208740, 1269177, 1301720, 1434160, 1450488, 1562064, 1692236, 1813110, 1831706, 1952580, 2115295, 2151240, 2417480, 2538354, 2603440, 2747559, 2900976, 3384472, 3626220, 3663412, 3905160, 4230590, 4302480, 4579265, 4834960, 5076708, 5495118, 6345885, 6410971, 6768944, 7252440, 7326824, 7810320, 8461180, 9158530, 10153416, 10990236, 11906089, 12691770, 12821942, 13737795, 14504880, 14653648, 16922360, 18317060, 19232913, 20306832, 21980472, 23812178, 25383540, 25643884, 27475590, 32054855, 33844720, 35718267, 36634120, 38465826, 43960944, 47624356, 50767080, 51287768, 54951180, 59530445, 64109710, 71436534, 73268240, 76931652, 83342623, 95248712, 96164565, 101534160, 102575536, 109902360, 119060890, 128219420, 142873068, 153863304, 166685246, 178591335, 190497424, 192329130, 219804720, 238121780, 250027869, 256438840, 285746136, 307726608, 333370492, 357182670, 384658260, 416713115, 476243560, 500055738, 512877680, 571492272, 666740984, 714365340, 769316520, 833426230, 952487120, 1000111476, 1250139345, 1333481968, 1428730680, 1538633040, 1666852460, 2000222952, 2500278690, 2857461360, 3333704920, 4000445904, 5000557380, 6667409840, 10001114760, 20002229520]

約数ペア:

[(1, 20002229520), (2, 10001114760), (3, 6667409840), (4, 5000557380), (5, 4000445904), (6, 3333704920), (7, 2857461360), (8, 2500278690), (10, 2000222952), (12, 1666852460), (13, 1538633040), (14, 1428730680), (15, 1333481968), (16, 1250139345), (20, 1000111476), (21, 952487120), (24, 833426230), (26, 769316520), (28, 714365340), (30, 666740984), (35, 571492272), (39, 512877680), (40, 500055738), (42, 476243560), (48, 416713115), (52, 384658260), (56, 357182670), (60, 333370492), (65, 307726608), (70, 285746136), (78, 256438840), (80, 250027869), (84, 238121780), (91, 219804720), (104, 192329130), (105, 190497424), (112, 178591335), (120, 166685246), (130, 153863304), (140, 142873068), (156, 128219420), (168, 119060890), (182, 109902360), (195, 102575536), (197, 101534160), (208, 96164565), (210, 95248712), (240, 83342623), (260, 76931652), (273, 73268240), (280, 71436534), (312, 64109710), (336, 59530445), (364, 54951180), (390, 51287768), (394, 50767080), (420, 47624356), (455, 43960944), (520, 38465826), (546, 36634120), (560, 35718267), (591, 33844720), (624, 32054855), (728, 27475590), (780, 25643884), (788, 25383540), (840, 23812178), (910, 21980472), (985, 20306832), (1040, 19232913), (1092, 18317060), (1182, 16922360), (1365, 14653648), (1379, 14504880), (1456, 13737795), (1560, 12821942), (1576, 12691770), (1680, 11906089), (1820, 10990236), (1970, 10153416), (2184, 9158530), (2364, 8461180), (2561, 7810320), (2730, 7326824), (2758, 7252440), (2955, 6768944), (3120, 6410971), (3152, 6345885), (3640, 5495118), (3940, 5076708), (4137, 4834960), (4368, 4579265), (4649, 4302480), (4728, 4230590), (5122, 3905160), (5460, 3663412), (5516, 3626220), (5910, 3384472), (6895, 2900976), (7280, 2747559), (7683, 2603440), (7880, 2538354), (8274, 2417480), (9298, 2151240), (9456, 2115295), (10244, 1952580), (10920, 1831706), (11032, 1813110), (11820, 1692236), (12805, 1562064), (13790, 1450488), (13947, 1434160), (15366, 1301720), (15760, 1269177), (16548, 1208740), (17927, 1115760), (18596, 1075620), (20488, 976290), (20685, 966992), (21840, 915853), (22064, 906555), (23245, 860496), (23640, 846118), (25610, 781032), (27580, 725244), (27894, 717080), (30732, 650860), (32543, 614640), (33096, 604370), (35854, 557880), (37192, 537810), (38415, 520688), (40976, 488145), (41370, 483496), (46490, 430248), (47280, 423059), (51220, 390516), (53781, 371920), (55160, 362622), (55788, 358540), (60437, 330960), (61464, 325430), (65086, 307320), (66192, 302185), (69735, 286832), (71708, 278940), (74384, 268905), (76830, 260344), (82740, 241748), (89635, 223152), (92980, 215124), (97629, 204880), (102440, 195258), (107562, 185960), (110320, 181311), (111576, 179270), (120874, 165480), (122928, 162715), (130172, 153660), (139470, 143416)]