20346519087

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{1171967}}^1$

素因数の和:1172619

約数の個数: 16

約数和(自身を含む): 30189895680

約数和(自身を除く): 9843376593

約数列:

[1, 3, 9, 27, 643, 1929, 5787, 17361, 1171967, 3515901, 10547703, 31643109, 753574781, 2260724343, 6782173029, 20346519087]

約数ペア:

[(1, 20346519087), (3, 6782173029), (9, 2260724343), (27, 753574781), (643, 31643109), (1929, 10547703), (5787, 3515901), (17361, 1171967)]