20187119240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{12547}}^1$

素因数の和:12679

約数の個数: 128

約数和(自身を含む): 50141808000

約数和(自身を除く): 29954688760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 73, 76, 95, 116, 145, 146, 152, 190, 232, 290, 292, 365, 380, 551, 580, 584, 730, 760, 1102, 1160, 1387, 1460, 2117, 2204, 2755, 2774, 2920, 4234, 4408, 5510, 5548, 6935, 8468, 10585, 11020, 11096, 12547, 13870, 16936, 21170, 22040, 25094, 27740, 40223, 42340, 50188, 55480, 62735, 80446, 84680, 100376, 125470, 160892, 201115, 238393, 250940, 321784, 363863, 402230, 476786, 501880, 727726, 804460, 915931, 953572, 1191965, 1455452, 1608920, 1819315, 1831862, 1907144, 2383930, 2910904, 3638630, 3663724, 4579655, 4767860, 6913397, 7277260, 7327448, 9159310, 9535720, 13826794, 14554520, 17402689, 18318620, 26561999, 27653588, 34566985, 34805378, 36637240, 53123998, 55307176, 69133970, 69610756, 87013445, 106247996, 132809995, 138267940, 139221512, 174026890, 212495992, 265619990, 276535880, 348053780, 504677981, 531239980, 696107560, 1009355962, 1062479960, 2018711924, 2523389905, 4037423848, 5046779810, 10093559620, 20187119240]

約数ペア:

[(1, 20187119240), (2, 10093559620), (4, 5046779810), (5, 4037423848), (8, 2523389905), (10, 2018711924), (19, 1062479960), (20, 1009355962), (29, 696107560), (38, 531239980), (40, 504677981), (58, 348053780), (73, 276535880), (76, 265619990), (95, 212495992), (116, 174026890), (145, 139221512), (146, 138267940), (152, 132809995), (190, 106247996), (232, 87013445), (290, 69610756), (292, 69133970), (365, 55307176), (380, 53123998), (551, 36637240), (580, 34805378), (584, 34566985), (730, 27653588), (760, 26561999), (1102, 18318620), (1160, 17402689), (1387, 14554520), (1460, 13826794), (2117, 9535720), (2204, 9159310), (2755, 7327448), (2774, 7277260), (2920, 6913397), (4234, 4767860), (4408, 4579655), (5510, 3663724), (5548, 3638630), (6935, 2910904), (8468, 2383930), (10585, 1907144), (11020, 1831862), (11096, 1819315), (12547, 1608920), (13870, 1455452), (16936, 1191965), (21170, 953572), (22040, 915931), (25094, 804460), (27740, 727726), (40223, 501880), (42340, 476786), (50188, 402230), (55480, 363863), (62735, 321784), (80446, 250940), (84680, 238393), (100376, 201115), (125470, 160892)]