20322789

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{613}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 27880512

約数和(自身を除く): 7557723

約数列:

[1, 3, 43, 129, 257, 613, 771, 1839, 11051, 26359, 33153, 79077, 157541, 472623, 6774263, 20322789]

約数ペア:

[(1, 20322789), (3, 6774263), (43, 472623), (129, 157541), (257, 79077), (613, 33153), (771, 26359), (1839, 11051)]