20606586

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 57286656

約数和(自身を除く): 36680070

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 47, 66, 73, 77, 78, 91, 94, 141, 143, 146, 154, 182, 219, 231, 273, 282, 286, 329, 429, 438, 462, 511, 517, 546, 611, 658, 803, 858, 949, 987, 1001, 1022, 1034, 1222, 1533, 1551, 1606, 1833, 1898, 1974, 2002, 2409, 2847, 3003, 3066, 3102, 3431, 3619, 3666, 4277, 4818, 5621, 5694, 6006, 6643, 6721, 6862, 7238, 8554, 10293, 10439, 10857, 11242, 12831, 13286, 13442, 16863, 19929, 20163, 20586, 20878, 21714, 24017, 25662, 31317, 33726, 37741, 39858, 40326, 44603, 47047, 48034, 62634, 72051, 73073, 75482, 89206, 94094, 113223, 133809, 141141, 144102, 146146, 219219, 226446, 264187, 267618, 282282, 312221, 438438, 490633, 528374, 624442, 792561, 936663, 981266, 1471899, 1585122, 1873326, 2943798, 3434431, 6868862, 10303293, 20606586]

約数ペア:

[(1, 20606586), (2, 10303293), (3, 6868862), (6, 3434431), (7, 2943798), (11, 1873326), (13, 1585122), (14, 1471899), (21, 981266), (22, 936663), (26, 792561), (33, 624442), (39, 528374), (42, 490633), (47, 438438), (66, 312221), (73, 282282), (77, 267618), (78, 264187), (91, 226446), (94, 219219), (141, 146146), (143, 144102), (146, 141141), (154, 133809), (182, 113223), (219, 94094), (231, 89206), (273, 75482), (282, 73073), (286, 72051), (329, 62634), (429, 48034), (438, 47047), (462, 44603), (511, 40326), (517, 39858), (546, 37741), (611, 33726), (658, 31317), (803, 25662), (858, 24017), (949, 21714), (987, 20878), (1001, 20586), (1022, 20163), (1034, 19929), (1222, 16863), (1533, 13442), (1551, 13286), (1606, 12831), (1833, 11242), (1898, 10857), (1974, 10439), (2002, 10293), (2409, 8554), (2847, 7238), (3003, 6862), (3066, 6721), (3102, 6643), (3431, 6006), (3619, 5694), (3666, 5621), (4277, 4818)]