20227161

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{647}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 28646784

約数和(自身を除く): 8419623

約数列:

[1, 3, 17, 51, 613, 647, 1839, 1941, 10421, 10999, 31263, 32997, 396611, 1189833, 6742387, 20227161]

約数ペア:

[(1, 20227161), (3, 6742387), (17, 1189833), (51, 396611), (613, 32997), (647, 31263), (1839, 10999), (1941, 10421)]