20806616286

素因数分解:

$2^1\times 3^4\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{16231}}^1$

素因数の和:16479

約数の個数: 80

約数和(自身を含む): 48009775968

約数和(自身を除く): 27203159682

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 193, 246, 369, 386, 579, 738, 1107, 1158, 1737, 2214, 3321, 3474, 5211, 6642, 7913, 10422, 15633, 15826, 16231, 23739, 31266, 32462, 47478, 48693, 71217, 97386, 142434, 146079, 213651, 292158, 427302, 438237, 640953, 665471, 876474, 1281906, 1314711, 1330942, 1996413, 2629422, 3132583, 3992826, 5989239, 6265166, 9397749, 11978478, 17967717, 18795498, 28193247, 35935434, 53903151, 56386494, 84579741, 107806302, 128435903, 169159482, 253739223, 256871806, 385307709, 507478446, 770615418, 1155923127, 2311846254, 3467769381, 6935538762, 10403308143, 20806616286]

約数ペア:

[(1, 20806616286), (2, 10403308143), (3, 6935538762), (6, 3467769381), (9, 2311846254), (18, 1155923127), (27, 770615418), (41, 507478446), (54, 385307709), (81, 256871806), (82, 253739223), (123, 169159482), (162, 128435903), (193, 107806302), (246, 84579741), (369, 56386494), (386, 53903151), (579, 35935434), (738, 28193247), (1107, 18795498), (1158, 17967717), (1737, 11978478), (2214, 9397749), (3321, 6265166), (3474, 5989239), (5211, 3992826), (6642, 3132583), (7913, 2629422), (10422, 1996413), (15633, 1330942), (15826, 1314711), (16231, 1281906), (23739, 876474), (31266, 665471), (32462, 640953), (47478, 438237), (48693, 427302), (71217, 292158), (97386, 213651), (142434, 146079)]