20953854

素因数分解:

$2^1\times 3^2\times {\mathrm{401}}^1\times {\mathrm{2903}}^1$

素因数の和:3312

約数の個数: 24

約数和(自身を含む): 45528912

約数和(自身を除く): 24575058

約数列:

[1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 2903, 3609, 5806, 7218, 8709, 17418, 26127, 52254, 1164103, 2328206, 3492309, 6984618, 10476927, 20953854]

約数ペア:

[(1, 20953854), (2, 10476927), (3, 6984618), (6, 3492309), (9, 2328206), (18, 1164103), (401, 52254), (802, 26127), (1203, 17418), (2406, 8709), (2903, 7218), (3609, 5806)]