20742414

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 37318386

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 19, 21, 22, 33, 34, 38, 42, 51, 57, 66, 77, 102, 114, 119, 133, 139, 154, 187, 209, 231, 238, 266, 278, 323, 357, 374, 399, 417, 418, 462, 561, 627, 646, 714, 798, 834, 969, 973, 1122, 1254, 1309, 1463, 1529, 1938, 1946, 2261, 2363, 2618, 2641, 2919, 2926, 3058, 3553, 3927, 4389, 4522, 4587, 4726, 5282, 5838, 6783, 7089, 7106, 7854, 7923, 8778, 9174, 10659, 10703, 13566, 14178, 15846, 16541, 18487, 21318, 21406, 24871, 25993, 29051, 32109, 33082, 36974, 44897, 49623, 49742, 51986, 55461, 58102, 64218, 74613, 77979, 87153, 89794, 99246, 110922, 134691, 149226, 155958, 174306, 181951, 203357, 269382, 314279, 363902, 406714, 493867, 545853, 610071, 628558, 942837, 987734, 1091706, 1220142, 1481601, 1885674, 2963202, 3457069, 6914138, 10371207, 20742414]

約数ペア:

[(1, 20742414), (2, 10371207), (3, 6914138), (6, 3457069), (7, 2963202), (11, 1885674), (14, 1481601), (17, 1220142), (19, 1091706), (21, 987734), (22, 942837), (33, 628558), (34, 610071), (38, 545853), (42, 493867), (51, 406714), (57, 363902), (66, 314279), (77, 269382), (102, 203357), (114, 181951), (119, 174306), (133, 155958), (139, 149226), (154, 134691), (187, 110922), (209, 99246), (231, 89794), (238, 87153), (266, 77979), (278, 74613), (323, 64218), (357, 58102), (374, 55461), (399, 51986), (417, 49742), (418, 49623), (462, 44897), (561, 36974), (627, 33082), (646, 32109), (714, 29051), (798, 25993), (834, 24871), (969, 21406), (973, 21318), (1122, 18487), (1254, 16541), (1309, 15846), (1463, 14178), (1529, 13566), (1938, 10703), (1946, 10659), (2261, 9174), (2363, 8778), (2618, 7923), (2641, 7854), (2919, 7106), (2926, 7089), (3058, 6783), (3553, 5838), (3927, 5282), (4389, 4726), (4522, 4587)]