20163655988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37901609}}^1$

素因数の和:37901639

約数の個数: 24

約数和(自身を含む): 42449803200

約数和(自身を除く): 22286147212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 37901609, 75803218, 151606436, 265311263, 530622526, 720130571, 1061245052, 1440261142, 2880522284, 5040913997, 10081827994, 20163655988]

約数ペア:

[(1, 20163655988), (2, 10081827994), (4, 5040913997), (7, 2880522284), (14, 1440261142), (19, 1061245052), (28, 720130571), (38, 530622526), (76, 265311263), (133, 151606436), (266, 75803218), (532, 37901609)]