20105953920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:178

約数の個数: 1024

約数和(自身を含む): 82047168000

約数和(自身を除く): 61941214080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 37, 39, 40, 41, 45, 48, 52, 54, 59, 60, 64, 65, 72, 74, 78, 80, 82, 90, 96, 104, 108, 111, 117, 118, 120, 123, 128, 130, 135, 144, 148, 156, 160, 164, 177, 180, 185, 192, 195, 205, 208, 216, 222, 234, 236, 240, 246, 260, 270, 288, 295, 296, 312, 320, 328, 333, 351, 354, 360, 369, 370, 384, 390, 410, 416, 432, 444, 468, 472, 480, 481, 492, 520, 531, 533, 540, 555, 576, 585, 590, 592, 615, 624, 640, 656, 666, 702, 708, 720, 738, 740, 767, 780, 820, 832, 864, 885, 888, 936, 944, 960, 962, 984, 999, 1040, 1062, 1066, 1080, 1107, 1110, 1152, 1170, 1180, 1184, 1230, 1248, 1312, 1332, 1404, 1416, 1440, 1443, 1476, 1480, 1517, 1534, 1560, 1593, 1599, 1640, 1664, 1665, 1728, 1755, 1770, 1776, 1845, 1872, 1888, 1920, 1924, 1968, 1998, 2080, 2124, 2132, 2160, 2183, 2214, 2220, 2301, 2340, 2360, 2368, 2405, 2419, 2460, 2496, 2624, 2655, 2664, 2665, 2808, 2832, 2880, 2886, 2952, 2960, 3034, 3068, 3120, 3186, 3198, 3280, 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約数ペア:

[(1, 20105953920), (2, 10052976960), (3, 6701984640), (4, 5026488480), (5, 4021190784), (6, 3350992320), (8, 2513244240), (9, 2233994880), (10, 2010595392), (12, 1675496160), (13, 1546611840), (15, 1340396928), (16, 1256622120), (18, 1116997440), (20, 1005297696), (24, 837748080), (26, 773305920), (27, 744664960), (30, 670198464), (32, 628311060), (36, 558498720), (37, 543404160), (39, 515537280), (40, 502648848), (41, 490389120), (45, 446798976), (48, 418874040), (52, 386652960), (54, 372332480), (59, 340778880), (60, 335099232), (64, 314155530), (65, 309322368), (72, 279249360), (74, 271702080), (78, 257768640), (80, 251324424), (82, 245194560), (90, 223399488), (96, 209437020), (104, 193326480), (108, 186166240), (111, 181134720), (117, 171845760), (118, 170389440), (120, 167549616), (123, 163463040), (128, 157077765), (130, 154661184), (135, 148932992), (144, 139624680), (148, 135851040), (156, 128884320), (160, 125662212), (164, 122597280), (177, 113592960), (180, 111699744), (185, 108680832), (192, 104718510), (195, 103107456), (205, 98077824), (208, 96663240), (216, 93083120), (222, 90567360), (234, 85922880), (236, 85194720), (240, 83774808), (246, 81731520), (260, 77330592), (270, 74466496), (288, 69812340), (295, 68155776), (296, 67925520), (312, 64442160), (320, 62831106), (328, 61298640), (333, 60378240), (351, 57281920), (354, 56796480), (360, 55849872), (369, 54487680), (370, 54340416), (384, 52359255), (390, 51553728), (410, 49038912), (416, 48331620), (432, 46541560), (444, 45283680), (468, 42961440), (472, 42597360), (480, 41887404), (481, 41800320), (492, 40865760), (520, 38665296), (531, 37864320), (533, 37722240), (540, 37233248), (555, 36226944), (576, 34906170), (585, 34369152), (590, 34077888), (592, 33962760), (615, 32692608), (624, 32221080), (640, 31415553), (656, 30649320), (666, 30189120), (702, 28640960), (708, 28398240), (720, 27924936), (738, 27243840), (740, 27170208), (767, 26213760), (780, 25776864), (820, 24519456), (832, 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