20579622

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:126

約数の個数: 128

約数和(自身を含む): 55157760

約数和(自身を除く): 34578138

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 37, 38, 41, 42, 51, 57, 74, 82, 102, 111, 114, 119, 123, 133, 222, 238, 246, 259, 266, 287, 323, 357, 399, 518, 574, 629, 646, 697, 703, 714, 777, 779, 798, 861, 969, 1258, 1394, 1406, 1517, 1554, 1558, 1722, 1887, 1938, 2091, 2109, 2261, 2337, 3034, 3774, 4182, 4218, 4403, 4522, 4551, 4674, 4879, 4921, 5453, 6783, 8806, 9102, 9758, 9842, 10619, 10906, 11951, 13209, 13243, 13566, 14637, 14763, 16359, 21238, 23902, 25789, 26418, 26486, 28823, 29274, 29526, 31857, 32718, 35853, 39729, 51578, 57646, 63714, 71706, 77367, 79458, 83657, 86469, 92701, 154734, 167314, 172938, 180523, 185402, 201761, 250971, 278103, 361046, 403522, 489991, 501942, 541569, 556206, 605283, 979982, 1083138, 1210566, 1469973, 2939946, 3429937, 6859874, 10289811, 20579622]

約数ペア:

[(1, 20579622), (2, 10289811), (3, 6859874), (6, 3429937), (7, 2939946), (14, 1469973), (17, 1210566), (19, 1083138), (21, 979982), (34, 605283), (37, 556206), (38, 541569), (41, 501942), (42, 489991), (51, 403522), (57, 361046), (74, 278103), (82, 250971), (102, 201761), (111, 185402), (114, 180523), (119, 172938), (123, 167314), (133, 154734), (222, 92701), (238, 86469), (246, 83657), (259, 79458), (266, 77367), (287, 71706), (323, 63714), (357, 57646), (399, 51578), (518, 39729), (574, 35853), (629, 32718), (646, 31857), (697, 29526), (703, 29274), (714, 28823), (777, 26486), (779, 26418), (798, 25789), (861, 23902), (969, 21238), (1258, 16359), (1394, 14763), (1406, 14637), (1517, 13566), (1554, 13243), (1558, 13209), (1722, 11951), (1887, 10906), (1938, 10619), (2091, 9842), (2109, 9758), (2261, 9102), (2337, 8806), (3034, 6783), (3774, 5453), (4182, 4921), (4218, 4879), (4403, 4674), (4522, 4551)]