20404521

素因数分解:

$3^3\times {\mathrm{733}}^1\times {\mathrm{1031}}^1$

素因数の和:1773

約数の個数: 16

約数和(自身を含む): 30299520

約数和(自身を除く): 9894999

約数列:

[1, 3, 9, 27, 733, 1031, 2199, 3093, 6597, 9279, 19791, 27837, 755723, 2267169, 6801507, 20404521]

約数ペア:

[(1, 20404521), (3, 6801507), (9, 2267169), (27, 755723), (733, 27837), (1031, 19791), (2199, 9279), (3093, 6597)]