20217490986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{87697}}^1$

素因数の和:88219

約数の個数: 64

約数和(自身を含む): 50514048000

約数和(自身を除く): 30296557014

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 499, 998, 1497, 2994, 3493, 5489, 6986, 10479, 10978, 16467, 20958, 32934, 38423, 76846, 87697, 115269, 175394, 230538, 263091, 526182, 613879, 964667, 1227758, 1841637, 1929334, 2894001, 3683274, 5788002, 6752669, 13505338, 20258007, 40516014, 43760803, 87521606, 131282409, 262564818, 306325621, 481368833, 612651242, 918976863, 962737666, 1444106499, 1837953726, 2888212998, 3369581831, 6739163662, 10108745493, 20217490986]

約数ペア:

[(1, 20217490986), (2, 10108745493), (3, 6739163662), (6, 3369581831), (7, 2888212998), (11, 1837953726), (14, 1444106499), (21, 962737666), (22, 918976863), (33, 612651242), (42, 481368833), (66, 306325621), (77, 262564818), (154, 131282409), (231, 87521606), (462, 43760803), (499, 40516014), (998, 20258007), (1497, 13505338), (2994, 6752669), (3493, 5788002), (5489, 3683274), (6986, 2894001), (10479, 1929334), (10978, 1841637), (16467, 1227758), (20958, 964667), (32934, 613879), (38423, 526182), (76846, 263091), (87697, 230538), (115269, 175394)]