20123893455

素因数分解:

$3^1\times 5^1\times {\mathrm{20887}}^1\times {\mathrm{64231}}^1$

素因数の和:85126

約数の個数: 16

約数和(自身を含む): 32200272384

約数和(自身を除く): 12076378929

約数列:

[1, 3, 5, 15, 20887, 62661, 64231, 104435, 192693, 313305, 321155, 963465, 1341592897, 4024778691, 6707964485, 20123893455]

約数ペア:

[(1, 20123893455), (3, 6707964485), (5, 4024778691), (15, 1341592897), (20887, 963465), (62661, 321155), (64231, 313305), (104435, 192693)]