20672385

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{26003}}^1$

素因数の和:26064

約数の個数: 16

約数和(自身を含む): 33701184

約数和(自身を除く): 13028799

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 26003, 78009, 130015, 390045, 1378159, 4134477, 6890795, 20672385]

約数ペア:

[(1, 20672385), (3, 6890795), (5, 4134477), (15, 1378159), (53, 390045), (159, 130015), (265, 78009), (795, 26003)]