20431671

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30817}}^1$

素因数の和:30850

約数の個数: 16

約数和(自身を含む): 31064544

約数和(自身を除く): 10632873

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 30817, 92451, 400621, 523889, 1201863, 1571667, 6810557, 20431671]

約数ペア:

[(1, 20431671), (3, 6810557), (13, 1571667), (17, 1201863), (39, 523889), (51, 400621), (221, 92451), (663, 30817)]