20869626960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{318523}}^1$

素因数の和:318562

約数の個数: 240

約数和(自身を含む): 86261395584

約数和(自身を除く): 65391768624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 4095, 4368, 4680, 5040, 5460, 6552, 7280, 8190, 9360, 10920, 13104, 16380, 21840, 32760, 65520, 318523, 637046, 955569, 1274092, 1592615, 1911138, 2229661, 2548184, 2866707, 3185230, 3822276, 4140799, 4459322, 4777845, 5096368, 5733414, 6370460, 6688983, 7644552, 8281598, 8918644, 9555690, 11148305, 11466828, 12422397, 12740920, 13377966, 14333535, 15289104, 16563196, 17837288, 19111380, 20066949, 20703995, 22296610, 22933656, 24844794, 25481840, 26755932, 28667070, 28985593, 33126392, 33444915, 35674576, 37267191, 38222760, 40133898, 41407990, 44593220, 45867312, 49689588, 53511864, 57334140, 57971186, 62111985, 66252784, 66889830, 74534382, 76445520, 80267796, 82815980, 86956779, 89186440, 99379176, 100334745, 107023728, 114668280, 115942372, 124223970, 133779660, 144927965, 149068764, 160535592, 165631960, 173913558, 178372880, 186335955, 198758352, 200669490, 229336560, 231884744, 248447940, 260870337, 267559320, 289855930, 298137528, 321071184, 331263920, 347827116, 372671910, 401338980, 434783895, 463769488, 496895880, 521740674, 535118640, 579711860, 596275056, 695654232, 745343820, 802677960, 869567790, 993791760, 1043481348, 1159423720, 1304351685, 1391308464, 1490687640, 1605355920, 1739135580, 2086962696, 2318847440, 2608703370, 2981375280, 3478271160, 4173925392, 5217406740, 6956542320, 10434813480, 20869626960]

約数ペア:

[(1, 20869626960), (2, 10434813480), (3, 6956542320), (4, 5217406740), (5, 4173925392), (6, 3478271160), (7, 2981375280), (8, 2608703370), (9, 2318847440), (10, 2086962696), (12, 1739135580), (13, 1605355920), (14, 1490687640), (15, 1391308464), (16, 1304351685), (18, 1159423720), (20, 1043481348), (21, 993791760), (24, 869567790), (26, 802677960), (28, 745343820), (30, 695654232), (35, 596275056), (36, 579711860), (39, 535118640), (40, 521740674), (42, 496895880), (45, 463769488), (48, 434783895), (52, 401338980), (56, 372671910), (60, 347827116), (63, 331263920), (65, 321071184), (70, 298137528), (72, 289855930), (78, 267559320), (80, 260870337), (84, 248447940), (90, 231884744), (91, 229336560), (104, 200669490), (105, 198758352), (112, 186335955), (117, 178372880), (120, 173913558), (126, 165631960), (130, 160535592), (140, 149068764), (144, 144927965), (156, 133779660), (168, 124223970), (180, 115942372), (182, 114668280), (195, 107023728), (208, 100334745), (210, 99379176), (234, 89186440), (240, 86956779), (252, 82815980), (260, 80267796), (273, 76445520), (280, 74534382), (312, 66889830), (315, 66252784), (336, 62111985), (360, 57971186), (364, 57334140), (390, 53511864), (420, 49689588), (455, 45867312), (468, 44593220), (504, 41407990), (520, 40133898), (546, 38222760), (560, 37267191), (585, 35674576), (624, 33444915), (630, 33126392), (720, 28985593), (728, 28667070), (780, 26755932), (819, 25481840), (840, 24844794), (910, 22933656), (936, 22296610), (1008, 20703995), (1040, 20066949), (1092, 19111380), (1170, 17837288), (1260, 16563196), (1365, 15289104), (1456, 14333535), (1560, 13377966), (1638, 12740920), (1680, 12422397), (1820, 11466828), (1872, 11148305), (2184, 9555690), (2340, 8918644), (2520, 8281598), (2730, 7644552), (3120, 6688983), (3276, 6370460), (3640, 5733414), (4095, 5096368), (4368, 4777845), (4680, 4459322), (5040, 4140799), (5460, 3822276), (6552, 3185230), (7280, 2866707), (8190, 2548184), (9360, 2229661), (10920, 1911138), (13104, 1592615), (16380, 1274092), (21840, 955569), (32760, 637046), (65520, 318523)]