20551479

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{1217}}^1$

素因数の和:1666

約数の個数: 16

約数和(自身を含む): 29602272

約数和(自身を除く): 9050793

約数列:

[1, 3, 13, 39, 433, 1217, 1299, 3651, 5629, 15821, 16887, 47463, 526961, 1580883, 6850493, 20551479]

約数ペア:

[(1, 20551479), (3, 6850493), (13, 1580883), (39, 526961), (433, 47463), (1217, 16887), (1299, 15821), (3651, 5629)]