20549085

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17341}}^1$

素因数の和:17428

約数の個数: 16

約数和(自身を含む): 33296640

約数和(自身を除く): 12747555

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 17341, 52023, 86705, 260115, 1369939, 4109817, 6849695, 20549085]

約数ペア:

[(1, 20549085), (3, 6849695), (5, 4109817), (15, 1369939), (79, 260115), (237, 86705), (395, 52023), (1185, 17341)]