20199703993

素因数分解:

$7^2\times {\mathrm{29}}^2\times {\mathrm{103}}^1\times {\mathrm{4759}}^1$

素因数の和:4934

約数の個数: 36

約数和(自身を含む): 24577250880

約数和(自身を除く): 4377546887

約数列:

[1, 7, 29, 49, 103, 203, 721, 841, 1421, 2987, 4759, 5047, 5887, 20909, 33313, 41209, 86623, 138011, 146363, 233191, 490177, 606361, 966077, 3431239, 4002319, 4244527, 6762539, 14215133, 24018673, 28016233, 99505931, 196113631, 412238857, 696541517, 2885671999, 20199703993]

約数ペア:

[(1, 20199703993), (7, 2885671999), (29, 696541517), (49, 412238857), (103, 196113631), (203, 99505931), (721, 28016233), (841, 24018673), (1421, 14215133), (2987, 6762539), (4759, 4244527), (5047, 4002319), (5887, 3431239), (20909, 966077), (33313, 606361), (41209, 490177), (86623, 233191), (138011, 146363)]