20492108

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2963}}^1$

素因数の和:3006

約数の個数: 48

約数和(自身を含む): 46475520

約数和(自身を除く): 25983412

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 2963, 3458, 5926, 6916, 11852, 20741, 38519, 41482, 56297, 77038, 82964, 112594, 154076, 225188, 269633, 394079, 539266, 731861, 788158, 1078532, 1463722, 1576316, 2927444, 5123027, 10246054, 20492108]

約数ペア:

[(1, 20492108), (2, 10246054), (4, 5123027), (7, 2927444), (13, 1576316), (14, 1463722), (19, 1078532), (26, 788158), (28, 731861), (38, 539266), (52, 394079), (76, 269633), (91, 225188), (133, 154076), (182, 112594), (247, 82964), (266, 77038), (364, 56297), (494, 41482), (532, 38519), (988, 20741), (1729, 11852), (2963, 6916), (3458, 5926)]