20998525320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:518

約数の個数: 384

約数和(自身を含む): 73874736000

約数和(自身を除く): 52876210680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 61, 72, 87, 90, 108, 116, 120, 122, 135, 145, 174, 180, 183, 216, 232, 244, 261, 270, 290, 305, 348, 360, 366, 379, 435, 488, 522, 540, 549, 580, 610, 696, 732, 758, 783, 841, 870, 915, 1044, 1080, 1098, 1137, 1160, 1220, 1305, 1464, 1516, 1566, 1647, 1682, 1740, 1769, 1830, 1895, 2088, 2196, 2274, 2440, 2523, 2610, 2745, 3032, 3132, 3294, 3364, 3411, 3480, 3538, 3660, 3790, 3915, 4205, 4392, 4548, 5046, 5220, 5307, 5490, 5685, 6264, 6588, 6728, 6822, 7076, 7320, 7569, 7580, 7830, 8235, 8410, 8845, 9096, 10092, 10233, 10440, 10614, 10980, 10991, 11370, 12615, 13176, 13644, 14152, 15138, 15160, 15660, 15921, 16470, 16820, 17055, 17690, 20184, 20466, 21228, 21960, 21982, 22707, 22740, 23119, 25230, 26535, 27288, 30276, 31320, 31842, 32940, 32973, 33640, 34110, 35380, 37845, 40932, 42456, 43964, 45414, 45480, 46238, 47763, 50460, 51165, 51301, 53070, 54955, 60552, 63684, 65880, 65946, 68220, 69357, 70760, 75690, 79605, 81864, 87928, 90828, 92476, 95526, 98919, 100920, 102330, 102602, 106140, 109910, 113535, 115595, 127368, 131892, 136440, 138714, 151380, 153903, 159210, 164865, 181656, 184952, 191052, 197838, 204660, 205204, 208071, 212280, 219820, 227070, 231190, 238815, 256505, 263784, 277428, 296757, 302760, 307806, 318420, 318739, 329730, 346785, 382104, 395676, 409320, 410408, 416142, 439640, 454140, 461709, 462380, 477630, 494595, 513010, 554856, 593514, 615612, 624213, 636840, 637478, 659460, 670451, 693570, 769515, 791352, 832284, 908280, 923418, 924760, 955260, 956217, 989190, 1026020, 1040355, 1187028, 1231224, 1248426, 1274956, 1318920, 1340902, 1385127, 1387140, 1483785, 1539030, 1593695, 1664568, 1846836, 1910520, 1912434, 1978380, 2011353, 2052040, 2080710, 2308545, 2374056, 2496852, 2549912, 2681804, 2770254, 2774280, 2868651, 2967570, 3078060, 3121065, 3187390, 3352255, 3693672, 3824868, 3956760, 4022706, 4161420, 4617090, 4781085, 4993704, 5363608, 5540508, 5737302, 5935140, 6034059, 6156120, 6242130, 6374780, 6704510, 6925635, 7649736, 8045412, 8322840, 8605953, 9234180, 9562170, 10056765, 11081016, 11474604, 11870280, 12068118, 12484260, 12749560, 13409020, 13851270, 14343255, 16090824, 17211906, 18102177, 18468360, 19124340, 19443079, 20113530, 22949208, 24136236, 24968520, 26818040, 27702540, 28686510, 30170295, 34423812, 36204354, 38248680, 38886158, 40227060, 43029765, 48272472, 55405080, 57373020, 58329237, 60340590, 68847624, 72408708, 77772316, 80454120, 86059530, 90510885, 97215395, 114746040, 116658474, 120681180, 144817416, 155544632, 172119060, 174987711, 181021770, 194430790, 233316948, 241362360, 291646185, 344238120, 349975422, 362043540, 388861580, 466633896, 524963133, 583292370, 699950844, 724087080, 777723160, 874938555, 1049926266, 1166584740, 1399901688, 1749877110, 2099852532, 2333169480, 2624815665, 3499754220, 4199705064, 5249631330, 6999508440, 10499262660, 20998525320]

約数ペア:

[(1, 20998525320), (2, 10499262660), (3, 6999508440), (4, 5249631330), (5, 4199705064), (6, 3499754220), (8, 2624815665), (9, 2333169480), (10, 2099852532), (12, 1749877110), (15, 1399901688), (18, 1166584740), (20, 1049926266), (24, 874938555), (27, 777723160), (29, 724087080), (30, 699950844), (36, 583292370), (40, 524963133), (45, 466633896), (54, 388861580), (58, 362043540), (60, 349975422), (61, 344238120), (72, 291646185), (87, 241362360), (90, 233316948), (108, 194430790), (116, 181021770), (120, 174987711), (122, 172119060), (135, 155544632), (145, 144817416), (174, 120681180), (180, 116658474), (183, 114746040), (216, 97215395), (232, 90510885), (244, 86059530), (261, 80454120), (270, 77772316), (290, 72408708), (305, 68847624), (348, 60340590), (360, 58329237), (366, 57373020), (379, 55405080), (435, 48272472), (488, 43029765), (522, 40227060), (540, 38886158), (549, 38248680), (580, 36204354), (610, 34423812), (696, 30170295), (732, 28686510), (758, 27702540), (783, 26818040), (841, 24968520), (870, 24136236), (915, 22949208), (1044, 20113530), (1080, 19443079), (1098, 19124340), (1137, 18468360), (1160, 18102177), (1220, 17211906), (1305, 16090824), (1464, 14343255), (1516, 13851270), (1566, 13409020), (1647, 12749560), (1682, 12484260), (1740, 12068118), (1769, 11870280), (1830, 11474604), (1895, 11081016), (2088, 10056765), (2196, 9562170), (2274, 9234180), (2440, 8605953), (2523, 8322840), (2610, 8045412), (2745, 7649736), (3032, 6925635), (3132, 6704510), (3294, 6374780), (3364, 6242130), (3411, 6156120), (3480, 6034059), (3538, 5935140), (3660, 5737302), (3790, 5540508), (3915, 5363608), (4205, 4993704), (4392, 4781085), (4548, 4617090), (5046, 4161420), (5220, 4022706), (5307, 3956760), (5490, 3824868), (5685, 3693672), (6264, 3352255), (6588, 3187390), (6728, 3121065), (6822, 3078060), (7076, 2967570), (7320, 2868651), (7569, 2774280), (7580, 2770254), (7830, 2681804), (8235, 2549912), (8410, 2496852), (8845, 2374056), (9096, 2308545), (10092, 2080710), (10233, 2052040), (10440, 2011353), (10614, 1978380), (10980, 1912434), (10991, 1910520), (11370, 1846836), (12615, 1664568), (13176, 1593695), (13644, 1539030), (14152, 1483785), (15138, 1387140), (15160, 1385127), (15660, 1340902), (15921, 1318920), (16470, 1274956), (16820, 1248426), (17055, 1231224), (17690, 1187028), (20184, 1040355), (20466, 1026020), (21228, 989190), (21960, 956217), (21982, 955260), (22707, 924760), (22740, 923418), (23119, 908280), (25230, 832284), (26535, 791352), (27288, 769515), (30276, 693570), (31320, 670451), (31842, 659460), (32940, 637478), (32973, 636840), (33640, 624213), (34110, 615612), (35380, 593514), (37845, 554856), (40932, 513010), (42456, 494595), (43964, 477630), (45414, 462380), (45480, 461709), (46238, 454140), (47763, 439640), (50460, 416142), (51165, 410408), (51301, 409320), (53070, 395676), (54955, 382104), (60552, 346785), (63684, 329730), (65880, 318739), (65946, 318420), (68220, 307806), (69357, 302760), (70760, 296757), (75690, 277428), (79605, 263784), (81864, 256505), (87928, 238815), (90828, 231190), (92476, 227070), (95526, 219820), (98919, 212280), (100920, 208071), (102330, 205204), (102602, 204660), (106140, 197838), (109910, 191052), (113535, 184952), (115595, 181656), (127368, 164865), (131892, 159210), (136440, 153903), (138714, 151380)]