20212877520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{7109}}^1$

素因数の和:7498

約数の個数: 240

約数和(自身を含む): 74269353600

約数和(自身を除く): 54056476080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 359, 360, 396, 440, 495, 528, 660, 718, 720, 792, 880, 990, 1077, 1320, 1436, 1584, 1795, 1980, 2154, 2640, 2872, 3231, 3590, 3949, 3960, 4308, 5385, 5744, 6462, 7109, 7180, 7898, 7920, 8616, 10770, 11847, 12924, 14218, 14360, 15796, 16155, 17232, 19745, 21327, 21540, 23694, 25848, 28436, 28720, 31592, 32310, 35541, 35545, 39490, 42654, 43080, 47388, 51696, 56872, 59235, 63184, 63981, 64620, 71082, 71090, 78199, 78980, 85308, 86160, 94776, 106635, 113744, 118470, 127962, 129240, 142164, 142180, 156398, 157960, 170616, 177705, 189552, 213270, 234597, 236940, 255924, 258480, 284328, 284360, 312796, 315920, 319905, 341232, 355410, 390995, 426540, 469194, 473880, 511848, 568656, 568720, 625592, 639810, 703791, 710820, 781990, 853080, 938388, 947760, 1023696, 1172985, 1251184, 1279620, 1407582, 1421640, 1563980, 1706160, 1876776, 2345970, 2552131, 2559240, 2815164, 2843280, 3127960, 3518955, 3753552, 4691940, 5104262, 5118480, 5630328, 6255920, 7037910, 7656393, 9383880, 10208524, 11260656, 12760655, 14075820, 15312786, 18767760, 20417048, 22969179, 25521310, 28073441, 28151640, 30625572, 38281965, 40834096, 45938358, 51042620, 56146882, 56303280, 61251144, 76563930, 84220323, 91876716, 102085240, 112293764, 114845895, 122502288, 140367205, 153127860, 168440646, 183753432, 204170480, 224587528, 229691790, 252660969, 280734410, 306255720, 336881292, 367506864, 421101615, 449175056, 459383580, 505321938, 561468820, 612511440, 673762584, 842203230, 918767160, 1010643876, 1122937640, 1263304845, 1347525168, 1684406460, 1837534320, 2021287752, 2245875280, 2526609690, 3368812920, 4042575504, 5053219380, 6737625840, 10106438760, 20212877520]

約数ペア:

[(1, 20212877520), (2, 10106438760), (3, 6737625840), (4, 5053219380), (5, 4042575504), (6, 3368812920), (8, 2526609690), (9, 2245875280), (10, 2021287752), (11, 1837534320), (12, 1684406460), (15, 1347525168), (16, 1263304845), (18, 1122937640), (20, 1010643876), (22, 918767160), (24, 842203230), (30, 673762584), (33, 612511440), (36, 561468820), (40, 505321938), (44, 459383580), (45, 449175056), (48, 421101615), (55, 367506864), (60, 336881292), (66, 306255720), (72, 280734410), (80, 252660969), (88, 229691790), (90, 224587528), (99, 204170480), (110, 183753432), (120, 168440646), (132, 153127860), (144, 140367205), (165, 122502288), (176, 114845895), (180, 112293764), (198, 102085240), (220, 91876716), (240, 84220323), (264, 76563930), (330, 61251144), (359, 56303280), (360, 56146882), (396, 51042620), (440, 45938358), (495, 40834096), (528, 38281965), (660, 30625572), (718, 28151640), (720, 28073441), (792, 25521310), (880, 22969179), (990, 20417048), (1077, 18767760), (1320, 15312786), (1436, 14075820), (1584, 12760655), (1795, 11260656), (1980, 10208524), (2154, 9383880), (2640, 7656393), (2872, 7037910), (3231, 6255920), (3590, 5630328), (3949, 5118480), (3960, 5104262), (4308, 4691940), (5385, 3753552), (5744, 3518955), (6462, 3127960), (7109, 2843280), (7180, 2815164), (7898, 2559240), (7920, 2552131), (8616, 2345970), (10770, 1876776), (11847, 1706160), (12924, 1563980), (14218, 1421640), (14360, 1407582), (15796, 1279620), (16155, 1251184), (17232, 1172985), (19745, 1023696), (21327, 947760), (21540, 938388), (23694, 853080), (25848, 781990), (28436, 710820), (28720, 703791), (31592, 639810), (32310, 625592), (35541, 568720), (35545, 568656), (39490, 511848), (42654, 473880), (43080, 469194), (47388, 426540), (51696, 390995), (56872, 355410), (59235, 341232), (63184, 319905), (63981, 315920), (64620, 312796), (71082, 284360), (71090, 284328), (78199, 258480), (78980, 255924), (85308, 236940), (86160, 234597), (94776, 213270), (106635, 189552), (113744, 177705), (118470, 170616), (127962, 157960), (129240, 156398), (142164, 142180)]