20513164080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{16619}}^1$

素因数の和:16811

約数の個数: 160

約数和(自身を含む): 65783289600

約数和(自身を除く): 45270125520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 139, 148, 185, 222, 240, 278, 296, 370, 417, 444, 555, 556, 592, 695, 740, 834, 888, 1110, 1112, 1390, 1480, 1668, 1776, 2085, 2220, 2224, 2780, 2960, 3336, 4170, 4440, 5143, 5560, 6672, 8340, 8880, 10286, 11120, 15429, 16619, 16680, 20572, 25715, 30858, 33238, 33360, 41144, 49857, 51430, 61716, 66476, 77145, 82288, 83095, 99714, 102860, 123432, 132952, 154290, 166190, 199428, 205720, 246864, 249285, 265904, 308580, 332380, 398856, 411440, 498570, 614903, 617160, 664760, 797712, 997140, 1229806, 1234320, 1329520, 1844709, 1994280, 2310041, 2459612, 3074515, 3689418, 3988560, 4620082, 4919224, 6149030, 6930123, 7378836, 9223545, 9240164, 9838448, 11550205, 12298060, 13860246, 14757672, 18447090, 18480328, 23100410, 24596120, 27720492, 29515344, 34650615, 36894180, 36960656, 46200820, 49192240, 55440984, 69301230, 73788360, 85471517, 92401640, 110881968, 138602460, 147576720, 170943034, 184803280, 256414551, 277204920, 341886068, 427357585, 512829102, 554409840, 683772136, 854715170, 1025658204, 1282072755, 1367544272, 1709430340, 2051316408, 2564145510, 3418860680, 4102632816, 5128291020, 6837721360, 10256582040, 20513164080]

約数ペア:

[(1, 20513164080), (2, 10256582040), (3, 6837721360), (4, 5128291020), (5, 4102632816), (6, 3418860680), (8, 2564145510), (10, 2051316408), (12, 1709430340), (15, 1367544272), (16, 1282072755), (20, 1025658204), (24, 854715170), (30, 683772136), (37, 554409840), (40, 512829102), (48, 427357585), (60, 341886068), (74, 277204920), (80, 256414551), (111, 184803280), (120, 170943034), (139, 147576720), (148, 138602460), (185, 110881968), (222, 92401640), (240, 85471517), (278, 73788360), (296, 69301230), (370, 55440984), (417, 49192240), (444, 46200820), (555, 36960656), (556, 36894180), (592, 34650615), (695, 29515344), (740, 27720492), (834, 24596120), (888, 23100410), (1110, 18480328), (1112, 18447090), (1390, 14757672), (1480, 13860246), (1668, 12298060), (1776, 11550205), (2085, 9838448), (2220, 9240164), (2224, 9223545), (2780, 7378836), (2960, 6930123), (3336, 6149030), (4170, 4919224), (4440, 4620082), (5143, 3988560), (5560, 3689418), (6672, 3074515), (8340, 2459612), (8880, 2310041), (10286, 1994280), (11120, 1844709), (15429, 1329520), (16619, 1234320), (16680, 1229806), (20572, 997140), (25715, 797712), (30858, 664760), (33238, 617160), (33360, 614903), (41144, 498570), (49857, 411440), (51430, 398856), (61716, 332380), (66476, 308580), (77145, 265904), (82288, 249285), (83095, 246864), (99714, 205720), (102860, 199428), (123432, 166190), (132952, 154290)]