20818593

素因数分解:

$3^3\times {\mathrm{431}}^1\times {\mathrm{1789}}^1$

素因数の和:2229

約数の個数: 16

約数和(自身を含む): 30931200

約数和(自身を除く): 10112607

約数列:

[1, 3, 9, 27, 431, 1293, 1789, 3879, 5367, 11637, 16101, 48303, 771059, 2313177, 6939531, 20818593]

約数ペア:

[(1, 20818593), (3, 6939531), (9, 2313177), (27, 771059), (431, 48303), (1293, 16101), (1789, 11637), (3879, 5367)]