20617080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15619}}^1$

素因数の和:15644

約数の個数: 64

約数和(自身を含む): 67478400

約数和(自身を除く): 46861320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15619, 31238, 46857, 62476, 78095, 93714, 124952, 156190, 171809, 187428, 234285, 312380, 343618, 374856, 468570, 515427, 624760, 687236, 859045, 937140, 1030854, 1374472, 1718090, 1874280, 2061708, 2577135, 3436180, 4123416, 5154270, 6872360, 10308540, 20617080]

約数ペア:

[(1, 20617080), (2, 10308540), (3, 6872360), (4, 5154270), (5, 4123416), (6, 3436180), (8, 2577135), (10, 2061708), (11, 1874280), (12, 1718090), (15, 1374472), (20, 1030854), (22, 937140), (24, 859045), (30, 687236), (33, 624760), (40, 515427), (44, 468570), (55, 374856), (60, 343618), (66, 312380), (88, 234285), (110, 187428), (120, 171809), (132, 156190), (165, 124952), (220, 93714), (264, 78095), (330, 62476), (440, 46857), (660, 31238), (1320, 15619)]