20881005

素因数分解:

$3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{3673}}^1$

素因数の和:4060

約数の個数: 16

約数和(自身を含む): 33506880

約数和(自身を除く): 12625875

約数列:

[1, 3, 5, 15, 379, 1137, 1895, 3673, 5685, 11019, 18365, 55095, 1392067, 4176201, 6960335, 20881005]

約数ペア:

[(1, 20881005), (3, 6960335), (5, 4176201), (15, 1392067), (379, 55095), (1137, 18365), (1895, 11019), (3673, 5685)]