20810169

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{563}}^1$

素因数の和:646

約数の個数: 24

約数和(自身を含む): 31741920

約数和(自身を除く): 10931751

約数列:

[1, 3, 9, 27, 37, 111, 333, 563, 999, 1369, 1689, 4107, 5067, 12321, 15201, 20831, 36963, 62493, 187479, 562437, 770747, 2312241, 6936723, 20810169]

約数ペア:

[(1, 20810169), (3, 6936723), (9, 2312241), (27, 770747), (37, 562437), (111, 187479), (333, 62493), (563, 36963), (999, 20831), (1369, 15201), (1689, 12321), (4107, 5067)]