20009085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78467}}^1$

素因数の和:78492

約数の個数: 16

約数和(自身を含む): 33898176

約数和(自身を除く): 13889091

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 78467, 235401, 392335, 1177005, 1333939, 4001817, 6669695, 20009085]

約数ペア:

[(1, 20009085), (3, 6669695), (5, 4001817), (15, 1333939), (17, 1177005), (51, 392335), (85, 235401), (255, 78467)]