20039824

素因数分解:

$2^4\times 7^2\times {\mathrm{25561}}^1$

素因数の和:25583

約数の個数: 30

約数和(自身を含む): 45168054

約数和(自身を除く): 25128230

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25561, 51122, 102244, 178927, 204488, 357854, 408976, 715708, 1252489, 1431416, 2504978, 2862832, 5009956, 10019912, 20039824]

約数ペア:

[(1, 20039824), (2, 10019912), (4, 5009956), (7, 2862832), (8, 2504978), (14, 1431416), (16, 1252489), (28, 715708), (49, 408976), (56, 357854), (98, 204488), (112, 178927), (196, 102244), (392, 51122), (784, 25561)]