20179572882

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{1621}}^1$

素因数の和:1933

約数の個数: 128

約数和(自身を含む): 49329561600

約数和(自身を除く): 29149988718

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 147, 161, 263, 294, 322, 343, 483, 526, 686, 789, 966, 1029, 1127, 1578, 1621, 1841, 2058, 2254, 3242, 3381, 3682, 4863, 5523, 6049, 6762, 7889, 9726, 11046, 11347, 12098, 12887, 15778, 18147, 22694, 23667, 25774, 34041, 36294, 37283, 38661, 42343, 47334, 68082, 74566, 77322, 79429, 84686, 90209, 111849, 127029, 158858, 180418, 223698, 238287, 254058, 260981, 270627, 296401, 426323, 476574, 521962, 541254, 556003, 592802, 782943, 852646, 889203, 1112006, 1278969, 1565886, 1668009, 1778406, 1826867, 2074807, 2557938, 2984261, 3336018, 3653734, 4149614, 5480601, 5968522, 6224421, 8952783, 9805429, 10961202, 12448842, 12788069, 17905566, 19610858, 20889827, 25576138, 29416287, 38364207, 41779654, 58832574, 62669481, 68638003, 76728414, 125338962, 137276006, 146228789, 205914009, 292457578, 411828018, 438686367, 480466021, 877372734, 960932042, 1441398063, 2882796126, 3363262147, 6726524294, 10089786441, 20179572882]

約数ペア:

[(1, 20179572882), (2, 10089786441), (3, 6726524294), (6, 3363262147), (7, 2882796126), (14, 1441398063), (21, 960932042), (23, 877372734), (42, 480466021), (46, 438686367), (49, 411828018), (69, 292457578), (98, 205914009), (138, 146228789), (147, 137276006), (161, 125338962), (263, 76728414), (294, 68638003), (322, 62669481), (343, 58832574), (483, 41779654), (526, 38364207), (686, 29416287), (789, 25576138), (966, 20889827), (1029, 19610858), (1127, 17905566), (1578, 12788069), (1621, 12448842), (1841, 10961202), (2058, 9805429), (2254, 8952783), (3242, 6224421), (3381, 5968522), (3682, 5480601), (4863, 4149614), (5523, 3653734), (6049, 3336018), (6762, 2984261), (7889, 2557938), (9726, 2074807), (11046, 1826867), (11347, 1778406), (12098, 1668009), (12887, 1565886), (15778, 1278969), (18147, 1112006), (22694, 889203), (23667, 852646), (25774, 782943), (34041, 592802), (36294, 556003), (37283, 541254), (38661, 521962), (42343, 476574), (47334, 426323), (68082, 296401), (74566, 270627), (77322, 260981), (79429, 254058), (84686, 238287), (90209, 223698), (111849, 180418), (127029, 158858)]