20946238720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1397

約数の個数: 288

約数和(自身を含む): 58071315456

約数和(自身を除く): 37125076736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 37, 40, 44, 55, 62, 64, 74, 80, 88, 110, 124, 128, 148, 155, 160, 176, 185, 220, 248, 256, 296, 310, 320, 341, 352, 370, 407, 440, 496, 592, 620, 640, 682, 704, 740, 814, 880, 992, 1147, 1184, 1240, 1280, 1297, 1364, 1408, 1480, 1628, 1705, 1760, 1984, 2035, 2294, 2368, 2480, 2594, 2728, 2816, 2960, 3256, 3410, 3520, 3968, 4070, 4588, 4736, 4960, 5188, 5456, 5735, 5920, 6485, 6512, 6820, 7040, 7936, 8140, 9176, 9472, 9920, 10376, 10912, 11470, 11840, 12617, 12970, 13024, 13640, 14080, 14267, 16280, 18352, 19840, 20752, 21824, 22940, 23680, 25234, 25940, 26048, 27280, 28534, 32560, 36704, 39680, 40207, 41504, 43648, 45880, 47360, 47989, 50468, 51880, 52096, 54560, 57068, 63085, 65120, 71335, 73408, 80414, 83008, 87296, 91760, 95978, 100936, 103760, 104192, 109120, 114136, 126170, 130240, 142670, 146816, 160828, 166016, 183520, 191956, 201035, 201872, 207520, 218240, 228272, 239945, 252340, 260480, 285340, 293632, 321656, 332032, 367040, 383912, 402070, 403744, 415040, 436480, 442277, 456544, 479890, 504680, 520960, 527879, 570680, 643312, 734080, 767824, 804140, 807488, 830080, 884554, 913088, 959780, 1009360, 1055758, 1141360, 1286624, 1468160, 1487659, 1535648, 1608280, 1614976, 1660160, 1769108, 1826176, 1919560, 2018720, 2111516, 2211385, 2282720, 2573248, 2639395, 2975318, 3071296, 3216560, 3229952, 3538216, 3652352, 3839120, 4037440, 4223032, 4422770, 4565440, 5146496, 5278790, 5950636, 6142592, 6433120, 7076432, 7438295, 7678240, 8074880, 8446064, 8845540, 9130880, 10292992, 10557580, 11901272, 12285184, 12866240, 14152864, 14876590, 15356480, 16149760, 16364249, 16892128, 17691080, 18261760, 21115160, 23802544, 25732480, 28305728, 29753180, 30712960, 32728498, 33784256, 35382160, 42230320, 47605088, 51464960, 56611456, 59506360, 61425920, 65456996, 67568512, 70764320, 81821245, 84460640, 95210176, 113222912, 119012720, 130913992, 135137024, 141528640, 163642490, 168921280, 190420352, 238025440, 261827984, 283057280, 327284980, 337842560, 380840704, 476050880, 523655968, 566114560, 654569960, 675685120, 952101760, 1047311936, 1309139920, 1904203520, 2094623872, 2618279840, 4189247744, 5236559680, 10473119360, 20946238720]

約数ペア:

[(1, 20946238720), (2, 10473119360), (4, 5236559680), (5, 4189247744), (8, 2618279840), (10, 2094623872), (11, 1904203520), (16, 1309139920), (20, 1047311936), (22, 952101760), (31, 675685120), (32, 654569960), (37, 566114560), (40, 523655968), (44, 476050880), (55, 380840704), (62, 337842560), (64, 327284980), (74, 283057280), (80, 261827984), (88, 238025440), (110, 190420352), (124, 168921280), (128, 163642490), (148, 141528640), (155, 135137024), (160, 130913992), (176, 119012720), (185, 113222912), (220, 95210176), (248, 84460640), (256, 81821245), (296, 70764320), (310, 67568512), (320, 65456996), (341, 61425920), (352, 59506360), (370, 56611456), (407, 51464960), (440, 47605088), (496, 42230320), (592, 35382160), (620, 33784256), (640, 32728498), (682, 30712960), (704, 29753180), (740, 28305728), (814, 25732480), (880, 23802544), (992, 21115160), (1147, 18261760), (1184, 17691080), (1240, 16892128), (1280, 16364249), (1297, 16149760), (1364, 15356480), (1408, 14876590), (1480, 14152864), (1628, 12866240), (1705, 12285184), (1760, 11901272), (1984, 10557580), (2035, 10292992), (2294, 9130880), (2368, 8845540), (2480, 8446064), (2594, 8074880), (2728, 7678240), (2816, 7438295), (2960, 7076432), (3256, 6433120), (3410, 6142592), (3520, 5950636), (3968, 5278790), (4070, 5146496), (4588, 4565440), (4736, 4422770), (4960, 4223032), (5188, 4037440), (5456, 3839120), (5735, 3652352), (5920, 3538216), (6485, 3229952), (6512, 3216560), (6820, 3071296), (7040, 2975318), (7936, 2639395), (8140, 2573248), (9176, 2282720), (9472, 2211385), (9920, 2111516), (10376, 2018720), (10912, 1919560), (11470, 1826176), (11840, 1769108), (12617, 1660160), (12970, 1614976), (13024, 1608280), (13640, 1535648), (14080, 1487659), (14267, 1468160), (16280, 1286624), (18352, 1141360), (19840, 1055758), (20752, 1009360), (21824, 959780), (22940, 913088), (23680, 884554), (25234, 830080), (25940, 807488), (26048, 804140), (27280, 767824), (28534, 734080), (32560, 643312), (36704, 570680), (39680, 527879), (40207, 520960), (41504, 504680), (43648, 479890), (45880, 456544), (47360, 442277), (47989, 436480), (50468, 415040), (51880, 403744), (52096, 402070), (54560, 383912), (57068, 367040), (63085, 332032), (65120, 321656), (71335, 293632), (73408, 285340), (80414, 260480), (83008, 252340), (87296, 239945), (91760, 228272), (95978, 218240), (100936, 207520), (103760, 201872), (104192, 201035), (109120, 191956), (114136, 183520), (126170, 166016), (130240, 160828), (142670, 146816)]