20858385

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9209}}^1$

素因数の和:9368

約数の個数: 16

約数和(自身を含む): 33598080

約数和(自身を除く): 12739695

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 9209, 27627, 46045, 138135, 1390559, 4171677, 6952795, 20858385]

約数ペア:

[(1, 20858385), (3, 6952795), (5, 4171677), (15, 1390559), (151, 138135), (453, 46045), (755, 27627), (2265, 9209)]