20533182488

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{2689}}^1$

素因数の和:3349

約数の個数: 128

約数和(自身を含む): 50271580800

約数和(自身を除く): 29738398312

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 617, 728, 884, 952, 1234, 1547, 1768, 2468, 2689, 3094, 4319, 4936, 5378, 6188, 8021, 8638, 10489, 10756, 12376, 16042, 17276, 18823, 20978, 21512, 32084, 34552, 34957, 37646, 41956, 45713, 56147, 64168, 69914, 73423, 75292, 83912, 91426, 112294, 136357, 139828, 146846, 150584, 182852, 224588, 244699, 272714, 279656, 293692, 319991, 365704, 449176, 489398, 545428, 587384, 594269, 639982, 954499, 978796, 1090856, 1188538, 1279964, 1659113, 1908998, 1957592, 2377076, 2559928, 3318226, 3817996, 4159883, 4754152, 6636452, 7635992, 8319766, 11613791, 13272904, 16639532, 21568469, 23227582, 28204921, 33279064, 43136938, 46455164, 56409842, 86273876, 92910328, 112819684, 150979283, 172547752, 197434447, 225639368, 301958566, 366663973, 394868894, 603917132, 733327946, 789737788, 1207834264, 1466655892, 1579475576, 2566647811, 2933311784, 5133295622, 10266591244, 20533182488]

約数ペア:

[(1, 20533182488), (2, 10266591244), (4, 5133295622), (7, 2933311784), (8, 2566647811), (13, 1579475576), (14, 1466655892), (17, 1207834264), (26, 789737788), (28, 733327946), (34, 603917132), (52, 394868894), (56, 366663973), (68, 301958566), (91, 225639368), (104, 197434447), (119, 172547752), (136, 150979283), (182, 112819684), (221, 92910328), (238, 86273876), (364, 56409842), (442, 46455164), (476, 43136938), (617, 33279064), (728, 28204921), (884, 23227582), (952, 21568469), (1234, 16639532), (1547, 13272904), (1768, 11613791), (2468, 8319766), (2689, 7635992), (3094, 6636452), (4319, 4754152), (4936, 4159883), (5378, 3817996), (6188, 3318226), (8021, 2559928), (8638, 2377076), (10489, 1957592), (10756, 1908998), (12376, 1659113), (16042, 1279964), (17276, 1188538), (18823, 1090856), (20978, 978796), (21512, 954499), (32084, 639982), (34552, 594269), (34957, 587384), (37646, 545428), (41956, 489398), (45713, 449176), (56147, 365704), (64168, 319991), (69914, 293692), (73423, 279656), (75292, 272714), (83912, 244699), (91426, 224588), (112294, 182852), (136357, 150584), (139828, 146846)]