20865882

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{47639}}^1$

素因数の和:47717

約数の個数: 16

約数和(自身を含む): 42304320

約数和(自身を除く): 21438438

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 47639, 95278, 142917, 285834, 3477647, 6955294, 10432941, 20865882]

約数ペア:

[(1, 20865882), (2, 10432941), (3, 6955294), (6, 3477647), (73, 285834), (146, 142917), (219, 95278), (438, 47639)]