20201201279

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1\times {\mathrm{739}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 23614832640

約数和(自身を除く): 3413631361

約数列:

[1, 7, 97, 127, 317, 679, 739, 889, 2219, 5173, 12319, 30749, 40259, 71683, 86233, 93853, 215243, 234263, 281813, 501781, 656971, 1639841, 3905123, 9103741, 22723511, 27335861, 29751401, 63726187, 159064577, 208259807, 2885885897, 20201201279]

約数ペア:

[(1, 20201201279), (7, 2885885897), (97, 208259807), (127, 159064577), (317, 63726187), (679, 29751401), (739, 27335861), (889, 22723511), (2219, 9103741), (5173, 3905123), (12319, 1639841), (30749, 656971), (40259, 501781), (71683, 281813), (86233, 234263), (93853, 215243)]