20217165

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79283}}^1$

素因数の和:79308

約数の個数: 16

約数和(自身を含む): 34250688

約数和(自身を除く): 14033523

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79283, 237849, 396415, 1189245, 1347811, 4043433, 6739055, 20217165]

約数ペア:

[(1, 20217165), (3, 6739055), (5, 4043433), (15, 1347811), (17, 1189245), (51, 396415), (85, 237849), (255, 79283)]