20178312

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 64281600

約数和(自身を除く): 44103288

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 61, 66, 77, 84, 88, 122, 132, 154, 168, 179, 183, 231, 244, 264, 308, 358, 366, 427, 462, 488, 537, 616, 671, 716, 732, 854, 924, 1074, 1253, 1281, 1342, 1432, 1464, 1708, 1848, 1969, 2013, 2148, 2506, 2562, 2684, 3416, 3759, 3938, 4026, 4296, 4697, 5012, 5124, 5368, 5907, 7518, 7876, 8052, 9394, 10024, 10248, 10919, 11814, 13783, 14091, 15036, 15752, 16104, 18788, 21838, 23628, 27566, 28182, 30072, 32757, 37576, 41349, 43676, 47256, 55132, 56364, 65514, 76433, 82698, 87352, 110264, 112728, 120109, 131028, 152866, 165396, 229299, 240218, 262056, 305732, 330792, 360327, 458598, 480436, 611464, 720654, 840763, 917196, 960872, 1441308, 1681526, 1834392, 2522289, 2882616, 3363052, 5044578, 6726104, 10089156, 20178312]

約数ペア:

[(1, 20178312), (2, 10089156), (3, 6726104), (4, 5044578), (6, 3363052), (7, 2882616), (8, 2522289), (11, 1834392), (12, 1681526), (14, 1441308), (21, 960872), (22, 917196), (24, 840763), (28, 720654), (33, 611464), (42, 480436), (44, 458598), (56, 360327), (61, 330792), (66, 305732), (77, 262056), (84, 240218), (88, 229299), (122, 165396), (132, 152866), (154, 131028), (168, 120109), (179, 112728), (183, 110264), (231, 87352), (244, 82698), (264, 76433), (308, 65514), (358, 56364), (366, 55132), (427, 47256), (462, 43676), (488, 41349), (537, 37576), (616, 32757), (671, 30072), (716, 28182), (732, 27566), (854, 23628), (924, 21838), (1074, 18788), (1253, 16104), (1281, 15752), (1342, 15036), (1432, 14091), (1464, 13783), (1708, 11814), (1848, 10919), (1969, 10248), (2013, 10024), (2148, 9394), (2506, 8052), (2562, 7876), (2684, 7518), (3416, 5907), (3759, 5368), (3938, 5124), (4026, 5012), (4296, 4697)]