20091591

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57241}}^1$

素因数の和:57263

約数の個数: 16

約数和(自身を含む): 32055520

約数和(自身を除く): 11963929

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57241, 171723, 515169, 744133, 1545507, 2232399, 6697197, 20091591]

約数ペア:

[(1, 20091591), (3, 6697197), (9, 2232399), (13, 1545507), (27, 744133), (39, 515169), (117, 171723), (351, 57241)]