20260287

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{643}}^1$

素因数の和:1044

約数の個数: 20

約数和(自身を含む): 30390360

約数和(自身を除く): 10130073

約数列:

[1, 3, 9, 27, 81, 389, 643, 1167, 1929, 3501, 5787, 10503, 17361, 31509, 52083, 250127, 750381, 2251143, 6753429, 20260287]

約数ペア:

[(1, 20260287), (3, 6753429), (9, 2251143), (27, 750381), (81, 250127), (389, 52083), (643, 31509), (1167, 17361), (1929, 10503), (3501, 5787)]