20968701

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31627}}^1$

素因数の和:31660

約数の個数: 16

約数和(自身を含む): 31881024

約数和(自身を除く): 10912323

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 31627, 94881, 411151, 537659, 1233453, 1612977, 6989567, 20968701]

約数ペア:

[(1, 20968701), (3, 6989567), (13, 1612977), (17, 1233453), (39, 537659), (51, 411151), (221, 94881), (663, 31627)]