20017341

素因数分解:

$3^3\times {\mathrm{521}}^1\times {\mathrm{1423}}^1$

素因数の和:1953

約数の個数: 16

約数和(自身を含む): 29733120

約数和(自身を除く): 9715779

約数列:

[1, 3, 9, 27, 521, 1423, 1563, 4269, 4689, 12807, 14067, 38421, 741383, 2224149, 6672447, 20017341]

約数ペア:

[(1, 20017341), (3, 6672447), (9, 2224149), (27, 741383), (521, 38421), (1423, 14067), (1563, 12807), (4269, 4689)]