20194093940

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1433}}^1\times {\mathrm{1471}}^1$

素因数の和:3392

約数の個数: 48

約数和(自身を含む): 42554695680

約数和(自身を除く): 22360601740

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1433, 1471, 1916, 2395, 2866, 2942, 4790, 5732, 5884, 7165, 7355, 9580, 14330, 14710, 28660, 29420, 686407, 704609, 1372814, 1409218, 2107943, 2745628, 2818436, 3432035, 3523045, 4215886, 6864070, 7046090, 8431772, 10539715, 13728140, 14092180, 21079430, 42158860, 1009704697, 2019409394, 4038818788, 5048523485, 10097046970, 20194093940]

約数ペア:

[(1, 20194093940), (2, 10097046970), (4, 5048523485), (5, 4038818788), (10, 2019409394), (20, 1009704697), (479, 42158860), (958, 21079430), (1433, 14092180), (1471, 13728140), (1916, 10539715), (2395, 8431772), (2866, 7046090), (2942, 6864070), (4790, 4215886), (5732, 3523045), (5884, 3432035), (7165, 2818436), (7355, 2745628), (9580, 2107943), (14330, 1409218), (14710, 1372814), (28660, 704609), (29420, 686407)]