20651919

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 28121184

約数和(自身を除く): 7469265

約数列:

[1, 3, 73, 181, 219, 521, 543, 1563, 13213, 38033, 39639, 94301, 114099, 282903, 6883973, 20651919]

約数ペア:

[(1, 20651919), (3, 6883973), (73, 282903), (181, 114099), (219, 94301), (521, 39639), (543, 38033), (1563, 13213)]