20191052

素因数分解:

$2^2\times 7^1\times {\mathrm{721109}}^1$

素因数の和:721120

約数の個数: 12

約数和(自身を含む): 40382160

約数和(自身を除く): 20191108

約数列:

[1, 2, 4, 7, 14, 28, 721109, 1442218, 2884436, 5047763, 10095526, 20191052]

約数ペア:

[(1, 20191052), (2, 10095526), (4, 5047763), (7, 2884436), (14, 1442218), (28, 721109)]