20188142464

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:505

約数の個数: 256

約数和(自身を含む): 50584590720

約数和(自身を除く): 30396448256

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 37, 56, 64, 68, 74, 112, 113, 119, 128, 136, 148, 224, 226, 238, 259, 272, 296, 317, 448, 452, 476, 518, 544, 592, 629, 634, 791, 896, 904, 952, 1036, 1088, 1184, 1258, 1268, 1582, 1808, 1904, 1921, 2072, 2176, 2219, 2368, 2516, 2536, 3164, 3616, 3808, 3842, 4144, 4181, 4403, 4438, 4736, 5032, 5072, 5389, 6328, 7232, 7616, 7684, 8288, 8362, 8806, 8876, 10064, 10144, 10778, 11729, 12656, 13447, 14464, 15232, 15368, 16576, 16724, 17612, 17752, 20128, 20288, 21556, 23458, 25312, 26894, 29267, 30736, 33152, 33448, 35224, 35504, 35821, 37723, 40256, 40576, 43112, 46916, 50624, 53788, 58534, 61472, 66896, 70448, 71008, 71077, 71642, 75446, 80512, 82103, 86224, 93832, 101248, 107576, 117068, 122944, 133792, 140896, 142016, 142154, 143284, 150892, 164206, 172448, 187664, 199393, 215152, 234136, 245888, 250747, 267584, 281792, 284032, 284308, 286568, 301784, 328412, 344896, 375328, 398786, 430304, 468272, 497539, 501494, 535168, 563584, 568616, 573136, 603568, 608957, 656824, 689792, 750656, 797572, 860608, 936544, 995078, 1002988, 1137232, 1146272, 1207136, 1217914, 1313648, 1325377, 1395751, 1501312, 1595144, 1721216, 1873088, 1990156, 2005976, 2274464, 2292544, 2414272, 2435828, 2627296, 2650754, 2791502, 3190288, 3746176, 3980312, 4011952, 4262699, 4548928, 4585088, 4828544, 4871656, 5254592, 5301508, 5583004, 6380576, 7960624, 8023904, 8525398, 9097856, 9277639, 9743312, 10509184, 10603016, 11166008, 12761152, 15921248, 16047808, 17050796, 18555278, 19486624, 21206032, 22332016, 22531409, 25522304, 31842496, 32095616, 34101592, 37110556, 38973248, 42412064, 44664032, 45062818, 63684992, 68203184, 74221112, 77946496, 84824128, 89328064, 90125636, 136406368, 148442224, 157719863, 169648256, 178656128, 180251272, 272812736, 296884448, 315439726, 360502544, 545625472, 593768896, 630879452, 721005088, 1187537792, 1261758904, 1442010176, 2523517808, 2884020352, 5047035616, 10094071232, 20188142464]

約数ペア:

[(1, 20188142464), (2, 10094071232), (4, 5047035616), (7, 2884020352), (8, 2523517808), (14, 1442010176), (16, 1261758904), (17, 1187537792), (28, 721005088), (32, 630879452), (34, 593768896), (37, 545625472), (56, 360502544), (64, 315439726), (68, 296884448), (74, 272812736), (112, 180251272), (113, 178656128), (119, 169648256), (128, 157719863), (136, 148442224), (148, 136406368), (224, 90125636), (226, 89328064), (238, 84824128), (259, 77946496), (272, 74221112), (296, 68203184), (317, 63684992), (448, 45062818), (452, 44664032), (476, 42412064), (518, 38973248), (544, 37110556), (592, 34101592), (629, 32095616), (634, 31842496), (791, 25522304), (896, 22531409), (904, 22332016), (952, 21206032), (1036, 19486624), (1088, 18555278), (1184, 17050796), (1258, 16047808), (1268, 15921248), (1582, 12761152), (1808, 11166008), (1904, 10603016), (1921, 10509184), (2072, 9743312), (2176, 9277639), (2219, 9097856), (2368, 8525398), (2516, 8023904), (2536, 7960624), (3164, 6380576), (3616, 5583004), (3808, 5301508), (3842, 5254592), (4144, 4871656), (4181, 4828544), (4403, 4585088), (4438, 4548928), (4736, 4262699), (5032, 4011952), (5072, 3980312), (5389, 3746176), (6328, 3190288), (7232, 2791502), (7616, 2650754), (7684, 2627296), (8288, 2435828), (8362, 2414272), (8806, 2292544), (8876, 2274464), (10064, 2005976), (10144, 1990156), (10778, 1873088), (11729, 1721216), (12656, 1595144), (13447, 1501312), (14464, 1395751), (15232, 1325377), (15368, 1313648), (16576, 1217914), (16724, 1207136), (17612, 1146272), (17752, 1137232), (20128, 1002988), (20288, 995078), (21556, 936544), (23458, 860608), (25312, 797572), (26894, 750656), (29267, 689792), (30736, 656824), (33152, 608957), (33448, 603568), (35224, 573136), (35504, 568616), (35821, 563584), (37723, 535168), (40256, 501494), (40576, 497539), (43112, 468272), (46916, 430304), (50624, 398786), (53788, 375328), (58534, 344896), (61472, 328412), (66896, 301784), (70448, 286568), (71008, 284308), (71077, 284032), (71642, 281792), (75446, 267584), (80512, 250747), (82103, 245888), (86224, 234136), (93832, 215152), (101248, 199393), (107576, 187664), (117068, 172448), (122944, 164206), (133792, 150892), (140896, 143284), (142016, 142154)]