20751327

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^3$

素因数の和:164

約数の個数: 24

約数和(自身を含む): 31746000

約数和(自身を除く): 10994673

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 1849, 3741, 5547, 11223, 16641, 53621, 79507, 160863, 238521, 482589, 715563, 2305703, 6917109, 20751327]

約数ペア:

[(1, 20751327), (3, 6917109), (9, 2305703), (29, 715563), (43, 482589), (87, 238521), (129, 160863), (261, 79507), (387, 53621), (1247, 16641), (1849, 11223), (3741, 5547)]