20567169

素因数分解:

$3^3\times 7^1\times {\mathrm{108821}}^1$

素因数の和:108837

約数の個数: 16

約数和(自身を含む): 34823040

約数和(自身を除く): 14255871

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 108821, 326463, 761747, 979389, 2285241, 2938167, 6855723, 20567169]

約数ペア:

[(1, 20567169), (3, 6855723), (7, 2938167), (9, 2285241), (21, 979389), (27, 761747), (63, 326463), (189, 108821)]