20747745984

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1\times {\mathrm{743}}^1$

素因数の和:1107

約数の個数: 224

約数和(自身を含む): 63858769920

約数和(自身を除く): 43111023936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 79, 84, 96, 112, 158, 168, 192, 224, 237, 263, 316, 336, 448, 474, 526, 553, 632, 672, 743, 789, 948, 1052, 1106, 1264, 1344, 1486, 1578, 1659, 1841, 1896, 2104, 2212, 2229, 2528, 2972, 3156, 3318, 3682, 3792, 4208, 4424, 4458, 5056, 5201, 5523, 5944, 6312, 6636, 7364, 7584, 8416, 8848, 8916, 10402, 11046, 11888, 12624, 13272, 14728, 15168, 15603, 16832, 17696, 17832, 20777, 20804, 22092, 23776, 25248, 26544, 29456, 31206, 35392, 35664, 41554, 41608, 44184, 47552, 50496, 53088, 58697, 58912, 62331, 62412, 71328, 83108, 83216, 88368, 106176, 117394, 117824, 124662, 124824, 142656, 145439, 166216, 166432, 176091, 176736, 195409, 234788, 249324, 249648, 290878, 332432, 332864, 352182, 353472, 390818, 410879, 436317, 469576, 498648, 499296, 581756, 586227, 664864, 704364, 781636, 821758, 872634, 939152, 997296, 998592, 1163512, 1172454, 1232637, 1329728, 1367863, 1408728, 1563272, 1643516, 1745268, 1878304, 1994592, 2327024, 2344908, 2465274, 2735726, 2817456, 3126544, 3287032, 3490536, 3756608, 3989184, 4103589, 4654048, 4689816, 4930548, 5471452, 5634912, 6253088, 6574064, 6981072, 8207178, 9308096, 9379632, 9861096, 10942904, 11269824, 12506176, 13148128, 13962144, 15437311, 16414356, 18759264, 19722192, 21885808, 26296256, 27924288, 30874622, 32828712, 37518528, 39444384, 43771616, 46311933, 61749244, 65657424, 78888768, 87543232, 92623866, 108061177, 123498488, 131314848, 185247732, 216122354, 246996976, 262629696, 324183531, 370495464, 432244708, 493993952, 648367062, 740990928, 864489416, 987987904, 1296734124, 1481981856, 1728978832, 2593468248, 2963963712, 3457957664, 5186936496, 6915915328, 10373872992, 20747745984]

約数ペア:

[(1, 20747745984), (2, 10373872992), (3, 6915915328), (4, 5186936496), (6, 3457957664), (7, 2963963712), (8, 2593468248), (12, 1728978832), (14, 1481981856), (16, 1296734124), (21, 987987904), (24, 864489416), (28, 740990928), (32, 648367062), (42, 493993952), (48, 432244708), (56, 370495464), (64, 324183531), (79, 262629696), (84, 246996976), (96, 216122354), (112, 185247732), (158, 131314848), (168, 123498488), (192, 108061177), (224, 92623866), (237, 87543232), (263, 78888768), (316, 65657424), (336, 61749244), (448, 46311933), (474, 43771616), (526, 39444384), (553, 37518528), (632, 32828712), (672, 30874622), (743, 27924288), (789, 26296256), (948, 21885808), (1052, 19722192), (1106, 18759264), (1264, 16414356), (1344, 15437311), (1486, 13962144), (1578, 13148128), (1659, 12506176), (1841, 11269824), (1896, 10942904), (2104, 9861096), (2212, 9379632), (2229, 9308096), (2528, 8207178), (2972, 6981072), (3156, 6574064), (3318, 6253088), (3682, 5634912), (3792, 5471452), (4208, 4930548), (4424, 4689816), (4458, 4654048), (5056, 4103589), (5201, 3989184), (5523, 3756608), (5944, 3490536), (6312, 3287032), (6636, 3126544), (7364, 2817456), (7584, 2735726), (8416, 2465274), (8848, 2344908), (8916, 2327024), (10402, 1994592), (11046, 1878304), (11888, 1745268), (12624, 1643516), (13272, 1563272), (14728, 1408728), (15168, 1367863), (15603, 1329728), (16832, 1232637), (17696, 1172454), (17832, 1163512), (20777, 998592), (20804, 997296), (22092, 939152), (23776, 872634), (25248, 821758), (26544, 781636), (29456, 704364), (31206, 664864), (35392, 586227), (35664, 581756), (41554, 499296), (41608, 498648), (44184, 469576), (47552, 436317), (50496, 410879), (53088, 390818), (58697, 353472), (58912, 352182), (62331, 332864), (62412, 332432), (71328, 290878), (83108, 249648), (83216, 249324), (88368, 234788), (106176, 195409), (117394, 176736), (117824, 176091), (124662, 166432), (124824, 166216), (142656, 145439)]