20690068

素因数分解:

$2^2\times 7^1\times {\mathrm{761}}^1\times {\mathrm{971}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 41477184

約数和(自身を除く): 20787116

約数列:

[1, 2, 4, 7, 14, 28, 761, 971, 1522, 1942, 3044, 3884, 5327, 6797, 10654, 13594, 21308, 27188, 738931, 1477862, 2955724, 5172517, 10345034, 20690068]

約数ペア:

[(1, 20690068), (2, 10345034), (4, 5172517), (7, 2955724), (14, 1477862), (28, 738931), (761, 27188), (971, 21308), (1522, 13594), (1942, 10654), (3044, 6797), (3884, 5327)]