20191108

素因数分解:

$2^2\times 7^1\times {\mathrm{721111}}^1$

素因数の和:721122

約数の個数: 12

約数和(自身を含む): 40382272

約数和(自身を除く): 20191164

約数列:

[1, 2, 4, 7, 14, 28, 721111, 1442222, 2884444, 5047777, 10095554, 20191108]

約数ペア:

[(1, 20191108), (2, 10095554), (4, 5047777), (7, 2884444), (14, 1442222), (28, 721111)]