20431408

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{3557}}^1$

素因数の和:3924

約数の個数: 20

約数和(自身を含む): 39707280

約数和(自身を除く): 19275872

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 3557, 5744, 7114, 14228, 28456, 56912, 1276963, 2553926, 5107852, 10215704, 20431408]

約数ペア:

[(1, 20431408), (2, 10215704), (4, 5107852), (8, 2553926), (16, 1276963), (359, 56912), (718, 28456), (1436, 14228), (2872, 7114), (3557, 5744)]