20512184

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 50232960

約数和(自身を除く): 29720776

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 67, 71, 77, 88, 98, 134, 142, 154, 196, 268, 284, 308, 392, 469, 497, 536, 539, 568, 616, 737, 781, 938, 994, 1078, 1474, 1562, 1876, 1988, 2156, 2948, 3124, 3283, 3479, 3752, 3976, 4312, 4757, 5159, 5467, 5896, 6248, 6566, 6958, 9514, 10318, 10934, 13132, 13916, 19028, 20636, 21868, 26264, 27832, 33299, 36113, 38056, 38269, 41272, 43736, 52327, 66598, 72226, 76538, 104654, 133196, 144452, 153076, 209308, 233093, 266392, 288904, 306152, 366289, 418616, 466186, 732578, 932372, 1465156, 1864744, 2564023, 2930312, 5128046, 10256092, 20512184]

約数ペア:

[(1, 20512184), (2, 10256092), (4, 5128046), (7, 2930312), (8, 2564023), (11, 1864744), (14, 1465156), (22, 932372), (28, 732578), (44, 466186), (49, 418616), (56, 366289), (67, 306152), (71, 288904), (77, 266392), (88, 233093), (98, 209308), (134, 153076), (142, 144452), (154, 133196), (196, 104654), (268, 76538), (284, 72226), (308, 66598), (392, 52327), (469, 43736), (497, 41272), (536, 38269), (539, 38056), (568, 36113), (616, 33299), (737, 27832), (781, 26264), (938, 21868), (994, 20636), (1078, 19028), (1474, 13916), (1562, 13132), (1876, 10934), (1988, 10318), (2156, 9514), (2948, 6958), (3124, 6566), (3283, 6248), (3479, 5896), (3752, 5467), (3976, 5159), (4312, 4757)]