20179466489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 25749696000

約数和(自身を除く): 5570229511

約数列:

[1, 7, 13, 67, 91, 97, 149, 229, 469, 679, 871, 1043, 1261, 1603, 1937, 2977, 6097, 6499, 8827, 9983, 13559, 14453, 15343, 20839, 22213, 34121, 45493, 69881, 84487, 101171, 107401, 129779, 155491, 187889, 199459, 238847, 288769, 443573, 591409, 908453, 968351, 1315223, 1396213, 1488271, 2021383, 2286107, 3105011, 3309737, 6778457, 10417897, 12588563, 16002749, 19347523, 23168159, 29719391, 43026581, 88119941, 135432661, 208035737, 221752379, 301186067, 1552266653, 2882780927, 20179466489]

約数ペア:

[(1, 20179466489), (7, 2882780927), (13, 1552266653), (67, 301186067), (91, 221752379), (97, 208035737), (149, 135432661), (229, 88119941), (469, 43026581), (679, 29719391), (871, 23168159), (1043, 19347523), (1261, 16002749), (1603, 12588563), (1937, 10417897), (2977, 6778457), (6097, 3309737), (6499, 3105011), (8827, 2286107), (9983, 2021383), (13559, 1488271), (14453, 1396213), (15343, 1315223), (20839, 968351), (22213, 908453), (34121, 591409), (45493, 443573), (69881, 288769), (84487, 238847), (101171, 199459), (107401, 187889), (129779, 155491)]