20565549

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{4561}}^1$

素因数の和:4737

約数の個数: 16

約数和(自身を含む): 30656640

約数和(自身を除く): 10091091

約数列:

[1, 3, 9, 27, 167, 501, 1503, 4509, 4561, 13683, 41049, 123147, 761687, 2285061, 6855183, 20565549]

約数ペア:

[(1, 20565549), (3, 6855183), (9, 2285061), (27, 761687), (167, 123147), (501, 41049), (1503, 13683), (4509, 4561)]