20561343712

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5297}}^1$

素因数の和:5401

約数の個数: 192

約数和(自身を含む): 52634824704

約数和(自身を除く): 32073480992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 43, 52, 56, 62, 86, 91, 104, 112, 124, 172, 182, 208, 217, 224, 248, 301, 344, 364, 403, 416, 434, 496, 559, 602, 688, 728, 806, 868, 992, 1118, 1204, 1333, 1376, 1456, 1612, 1736, 2236, 2408, 2666, 2821, 2912, 3224, 3472, 3913, 4472, 4816, 5297, 5332, 5642, 6448, 6944, 7826, 8944, 9331, 9632, 10594, 10664, 11284, 12896, 15652, 17329, 17888, 18662, 21188, 21328, 22568, 31304, 34658, 37079, 37324, 42376, 42656, 45136, 62608, 68861, 69316, 74158, 74648, 84752, 90272, 121303, 125216, 137722, 138632, 148316, 149296, 164207, 169504, 227771, 242606, 275444, 277264, 296632, 298592, 328414, 455542, 482027, 485212, 550888, 554528, 593264, 656828, 911084, 964054, 970424, 1101776, 1149449, 1186528, 1313656, 1594397, 1822168, 1928108, 1940848, 2134691, 2203552, 2298898, 2627312, 2961023, 3188794, 3644336, 3856216, 3881696, 4269382, 4597796, 5254624, 5922046, 6377588, 7060901, 7288672, 7712432, 8538764, 9195592, 11844092, 12755176, 14121802, 14942837, 15424864, 17077528, 18391184, 20727161, 23688184, 25510352, 28243604, 29885674, 34155056, 36782368, 41454322, 47376368, 49426307, 51020704, 56487208, 59771348, 68310112, 82908644, 91791713, 94752736, 98852614, 112974416, 119542696, 165817288, 183583426, 197705228, 225948832, 239085392, 331634576, 367166852, 395410456, 478170784, 642541991, 663269152, 734333704, 790820912, 1285083982, 1468667408, 1581641824, 2570167964, 2937334816, 5140335928, 10280671856, 20561343712]

約数ペア:

[(1, 20561343712), (2, 10280671856), (4, 5140335928), (7, 2937334816), (8, 2570167964), (13, 1581641824), (14, 1468667408), (16, 1285083982), (26, 790820912), (28, 734333704), (31, 663269152), (32, 642541991), (43, 478170784), (52, 395410456), (56, 367166852), (62, 331634576), (86, 239085392), (91, 225948832), (104, 197705228), (112, 183583426), (124, 165817288), (172, 119542696), (182, 112974416), (208, 98852614), (217, 94752736), (224, 91791713), (248, 82908644), (301, 68310112), (344, 59771348), (364, 56487208), (403, 51020704), (416, 49426307), (434, 47376368), (496, 41454322), (559, 36782368), (602, 34155056), (688, 29885674), (728, 28243604), (806, 25510352), (868, 23688184), (992, 20727161), (1118, 18391184), (1204, 17077528), (1333, 15424864), (1376, 14942837), (1456, 14121802), (1612, 12755176), (1736, 11844092), (2236, 9195592), (2408, 8538764), (2666, 7712432), (2821, 7288672), (2912, 7060901), (3224, 6377588), (3472, 5922046), (3913, 5254624), (4472, 4597796), (4816, 4269382), (5297, 3881696), (5332, 3856216), (5642, 3644336), (6448, 3188794), (6944, 2961023), (7826, 2627312), (8944, 2298898), (9331, 2203552), (9632, 2134691), (10594, 1940848), (10664, 1928108), (11284, 1822168), (12896, 1594397), (15652, 1313656), (17329, 1186528), (17888, 1149449), (18662, 1101776), (21188, 970424), (21328, 964054), (22568, 911084), (31304, 656828), (34658, 593264), (37079, 554528), (37324, 550888), (42376, 485212), (42656, 482027), (45136, 455542), (62608, 328414), (68861, 298592), (69316, 296632), (74158, 277264), (74648, 275444), (84752, 242606), (90272, 227771), (121303, 169504), (125216, 164207), (137722, 149296), (138632, 148316)]