20268981

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{44159}}^1$

素因数の和:44185

約数の個数: 16

約数和(自身を含む): 31795200

約数和(自身を除く): 11526219

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 44159, 132477, 397431, 750703, 1192293, 2252109, 6756327, 20268981]

約数ペア:

[(1, 20268981), (3, 6756327), (9, 2252109), (17, 1192293), (27, 750703), (51, 397431), (153, 132477), (459, 44159)]