20320856

素因数分解:

$2^3\times {\mathrm{1567}}^1\times {\mathrm{1621}}^1$

素因数の和:3194

約数の個数: 16

約数和(自身を含む): 38149440

約数和(自身を除く): 17828584

約数列:

[1, 2, 4, 8, 1567, 1621, 3134, 3242, 6268, 6484, 12536, 12968, 2540107, 5080214, 10160428, 20320856]

約数ペア:

[(1, 20320856), (2, 10160428), (4, 5080214), (8, 2540107), (1567, 12968), (1621, 12536), (3134, 6484), (3242, 6268)]