20750926

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16988594

約数列:

[1, 2, 7, 14, 19, 38, 133, 181, 266, 362, 431, 862, 1267, 2534, 3017, 3439, 6034, 6878, 8189, 16378, 24073, 48146, 57323, 78011, 114646, 156022, 546077, 1092154, 1482209, 2964418, 10375463, 20750926]

約数ペア:

[(1, 20750926), (2, 10375463), (7, 2964418), (14, 1482209), (19, 1092154), (38, 546077), (133, 156022), (181, 114646), (266, 78011), (362, 57323), (431, 48146), (862, 24073), (1267, 16378), (2534, 8189), (3017, 6878), (3439, 6034)]