20101381920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{11701}}^1$

素因数の和:12915

約数の個数: 144

約数和(自身を含む): 68659331832

約数和(自身を除く): 48557949912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1193, 1440, 2386, 3579, 4772, 5965, 7158, 9544, 10737, 11701, 11930, 14316, 17895, 19088, 21474, 23402, 23860, 28632, 35103, 35790, 38176, 42948, 46804, 47720, 53685, 57264, 58505, 70206, 71580, 85896, 93608, 95440, 105309, 107370, 114528, 117010, 140412, 143160, 171792, 175515, 187216, 190880, 210618, 214740, 234020, 280824, 286320, 343584, 351030, 374432, 421236, 429480, 468040, 526545, 561648, 572640, 702060, 842472, 858960, 936080, 1053090, 1123296, 1404120, 1684944, 1717920, 1872160, 2106180, 2808240, 3369888, 4212360, 5616480, 8424720, 13959293, 16849440, 27918586, 41877879, 55837172, 69796465, 83755758, 111674344, 125633637, 139592930, 167511516, 209389395, 223348688, 251267274, 279185860, 335023032, 418778790, 446697376, 502534548, 558371720, 628168185, 670046064, 837557580, 1005069096, 1116743440, 1256336370, 1340092128, 1675115160, 2010138192, 2233486880, 2512672740, 3350230320, 4020276384, 5025345480, 6700460640, 10050690960, 20101381920]

約数ペア:

[(1, 20101381920), (2, 10050690960), (3, 6700460640), (4, 5025345480), (5, 4020276384), (6, 3350230320), (8, 2512672740), (9, 2233486880), (10, 2010138192), (12, 1675115160), (15, 1340092128), (16, 1256336370), (18, 1116743440), (20, 1005069096), (24, 837557580), (30, 670046064), (32, 628168185), (36, 558371720), (40, 502534548), (45, 446697376), (48, 418778790), (60, 335023032), (72, 279185860), (80, 251267274), (90, 223348688), (96, 209389395), (120, 167511516), (144, 139592930), (160, 125633637), (180, 111674344), (240, 83755758), (288, 69796465), (360, 55837172), (480, 41877879), (720, 27918586), (1193, 16849440), (1440, 13959293), (2386, 8424720), (3579, 5616480), (4772, 4212360), (5965, 3369888), (7158, 2808240), (9544, 2106180), (10737, 1872160), (11701, 1717920), (11930, 1684944), (14316, 1404120), (17895, 1123296), (19088, 1053090), (21474, 936080), (23402, 858960), (23860, 842472), (28632, 702060), (35103, 572640), (35790, 561648), (38176, 526545), (42948, 468040), (46804, 429480), (47720, 421236), (53685, 374432), (57264, 351030), (58505, 343584), (70206, 286320), (71580, 280824), (85896, 234020), (93608, 214740), (95440, 210618), (105309, 190880), (107370, 187216), (114528, 175515), (117010, 171792), (140412, 143160)]