20201207999

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{1483}}^1\times {\mathrm{2699}}^1$

素因数の和:4299

約数の個数: 24

約数和(自身を含む): 23752310400

約数和(自身を除く): 3551102401

約数列:

[1, 7, 49, 103, 721, 1483, 2699, 5047, 10381, 18893, 72667, 132251, 152749, 277997, 1069243, 1945979, 4002617, 7484701, 13621853, 28018319, 196128233, 412269551, 2885886857, 20201207999]

約数ペア:

[(1, 20201207999), (7, 2885886857), (49, 412269551), (103, 196128233), (721, 28018319), (1483, 13621853), (2699, 7484701), (5047, 4002617), (10381, 1945979), (18893, 1069243), (72667, 277997), (132251, 152749)]