20164222736

素因数分解:

$2^4\times 7^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1\times {\mathrm{857}}^1$

素因数の和:1792

約数の個数: 80

約数和(自身を含む): 44897424000

約数和(自身を除く): 24733201264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 421, 499, 842, 857, 998, 1684, 1714, 1996, 2947, 3368, 3428, 3493, 3992, 5894, 5999, 6736, 6856, 6986, 7984, 11788, 11998, 13712, 13972, 23576, 23996, 27944, 47152, 47992, 55888, 95984, 210079, 360797, 420158, 427643, 721594, 840316, 855286, 1443188, 1470553, 1680632, 1710572, 2525579, 2886376, 2941106, 2993501, 3361264, 3421144, 5051158, 5772752, 5882212, 5987002, 6842288, 10102316, 11764424, 11974004, 20204632, 23528848, 23948008, 40409264, 47896016, 180037703, 360075406, 720150812, 1260263921, 1440301624, 2520527842, 2880603248, 5041055684, 10082111368, 20164222736]

約数ペア:

[(1, 20164222736), (2, 10082111368), (4, 5041055684), (7, 2880603248), (8, 2520527842), (14, 1440301624), (16, 1260263921), (28, 720150812), (56, 360075406), (112, 180037703), (421, 47896016), (499, 40409264), (842, 23948008), (857, 23528848), (998, 20204632), (1684, 11974004), (1714, 11764424), (1996, 10102316), (2947, 6842288), (3368, 5987002), (3428, 5882212), (3493, 5772752), (3992, 5051158), (5894, 3421144), (5999, 3361264), (6736, 2993501), (6856, 2941106), (6986, 2886376), (7984, 2525579), (11788, 1710572), (11998, 1680632), (13712, 1470553), (13972, 1443188), (23576, 855286), (23996, 840316), (27944, 721594), (47152, 427643), (47992, 420158), (55888, 360797), (95984, 210079)]