20554162

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4129}}^1$

素因数の和:4281

約数の個数: 16

約数和(自身を含む): 32709600

約数和(自身を除く): 12155438

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4129, 4978, 8258, 78451, 156902, 540899, 1081798, 10277081, 20554162]

約数ペア:

[(1, 20554162), (2, 10277081), (19, 1081798), (38, 540899), (131, 156902), (262, 78451), (2489, 8258), (4129, 4978)]