20520555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{124367}}^1$

素因数の和:124386

約数の個数: 16

約数和(自身を含む): 35817984

約数和(自身を除く): 15297429

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 124367, 373101, 621835, 1368037, 1865505, 4104111, 6840185, 20520555]

約数ペア:

[(1, 20520555), (3, 6840185), (5, 4104111), (11, 1865505), (15, 1368037), (33, 621835), (55, 373101), (165, 124367)]