20854256

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{2969}}^1$

素因数の和:3416

約数の個数: 20

約数和(自身を含む): 40510800

約数和(自身を除く): 19656544

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 2969, 3512, 5938, 7024, 11876, 23752, 47504, 1303391, 2606782, 5213564, 10427128, 20854256]

約数ペア:

[(1, 20854256), (2, 10427128), (4, 5213564), (8, 2606782), (16, 1303391), (439, 47504), (878, 23752), (1756, 11876), (2969, 7024), (3512, 5938)]