20513192

素因数分解:

$2^3\times 7^1\times {\mathrm{366307}}^1$

素因数の和:366320

約数の個数: 16

約数和(自身を含む): 43956960

約数和(自身を除く): 23443768

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 366307, 732614, 1465228, 2564149, 2930456, 5128298, 10256596, 20513192]

約数ペア:

[(1, 20513192), (2, 10256596), (4, 5128298), (7, 2930456), (8, 2564149), (14, 1465228), (28, 732614), (56, 366307)]