20771982

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2141}}^1$

素因数の和:2174

約数の個数: 72

約数和(自身を含む): 57139992

約数和(自身を除く): 36368010

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 882, 1078, 1386, 1617, 2141, 3234, 4282, 4851, 6423, 9702, 12846, 14987, 19269, 23551, 29974, 38538, 44961, 47102, 70653, 89922, 104909, 134883, 141306, 164857, 209818, 211959, 269766, 314727, 329714, 423918, 494571, 629454, 944181, 989142, 1153999, 1483713, 1888362, 2307998, 2967426, 3461997, 6923994, 10385991, 20771982]

約数ペア:

[(1, 20771982), (2, 10385991), (3, 6923994), (6, 3461997), (7, 2967426), (9, 2307998), (11, 1888362), (14, 1483713), (18, 1153999), (21, 989142), (22, 944181), (33, 629454), (42, 494571), (49, 423918), (63, 329714), (66, 314727), (77, 269766), (98, 211959), (99, 209818), (126, 164857), (147, 141306), (154, 134883), (198, 104909), (231, 89922), (294, 70653), (441, 47102), (462, 44961), (539, 38538), (693, 29974), (882, 23551), (1078, 19269), (1386, 14987), (1617, 12846), (2141, 9702), (3234, 6423), (4282, 4851)]