20219969679

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3581}}^1$

素因数の和:3697

約数の個数: 96

約数和(自身を含む): 35072193024

約数和(自身を除く): 14852223345

約数列:

[1, 3, 7, 13, 21, 37, 39, 43, 91, 111, 129, 169, 259, 273, 301, 481, 507, 559, 777, 903, 1183, 1443, 1591, 1677, 3367, 3549, 3581, 3913, 4773, 6253, 7267, 10101, 10743, 11137, 11739, 18759, 20683, 21801, 25067, 33411, 43771, 46553, 50869, 62049, 75201, 131313, 132497, 139659, 144781, 152607, 153983, 268879, 325871, 397491, 434343, 461949, 605189, 806637, 927479, 977613, 1077881, 1722461, 1815567, 1882153, 2001779, 2782437, 3233643, 4236323, 5167383, 5646459, 5697371, 6005337, 12057227, 12708969, 14012453, 17092113, 22391993, 26023127, 36171681, 39881597, 42037359, 67175979, 74065823, 78069381, 119644791, 156743951, 182161889, 222197469, 470231853, 518460761, 546485667, 962855699, 1555382283, 2888567097, 6739989893, 20219969679]

約数ペア:

[(1, 20219969679), (3, 6739989893), (7, 2888567097), (13, 1555382283), (21, 962855699), (37, 546485667), (39, 518460761), (43, 470231853), (91, 222197469), (111, 182161889), (129, 156743951), (169, 119644791), (259, 78069381), (273, 74065823), (301, 67175979), (481, 42037359), (507, 39881597), (559, 36171681), (777, 26023127), (903, 22391993), (1183, 17092113), (1443, 14012453), (1591, 12708969), (1677, 12057227), (3367, 6005337), (3549, 5697371), (3581, 5646459), (3913, 5167383), (4773, 4236323), (6253, 3233643), (7267, 2782437), (10101, 2001779), (10743, 1882153), (11137, 1815567), (11739, 1722461), (18759, 1077881), (20683, 977613), (21801, 927479), (25067, 806637), (33411, 605189), (43771, 461949), (46553, 434343), (50869, 397491), (62049, 325871), (75201, 268879), (131313, 153983), (132497, 152607), (139659, 144781)]