20589513

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16073}}^1$

素因数の和:16144

約数の個数: 16

約数和(自身を含む): 31890816

約数和(自身を除く): 11301303

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16073, 48219, 112511, 337533, 980453, 2941359, 6863171, 20589513]

約数ペア:

[(1, 20589513), (3, 6863171), (7, 2941359), (21, 980453), (61, 337533), (183, 112511), (427, 48219), (1281, 16073)]