20512912

素因数分解:

$2^4\times 7^1\times {\mathrm{183151}}^1$

素因数の和:183166

約数の個数: 20

約数和(自身を含む): 45421696

約数和(自身を除く): 24908784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 183151, 366302, 732604, 1282057, 1465208, 2564114, 2930416, 5128228, 10256456, 20512912]

約数ペア:

[(1, 20512912), (2, 10256456), (4, 5128228), (7, 2930416), (8, 2564114), (14, 1465208), (16, 1282057), (28, 732604), (56, 366302), (112, 183151)]