20163978243

素因数分解:

$3^4\times {\mathrm{881}}^1\times {\mathrm{282563}}^1$

素因数の和:283456

約数の個数: 20

約数和(自身を含む): 30155795208

約数和(自身を除く): 9991816965

約数列:

[1, 3, 9, 27, 81, 881, 2643, 7929, 23787, 71361, 282563, 847689, 2543067, 7629201, 22887603, 248938003, 746814009, 2240442027, 6721326081, 20163978243]

約数ペア:

[(1, 20163978243), (3, 6721326081), (9, 2240442027), (27, 746814009), (81, 248938003), (881, 22887603), (2643, 7629201), (7929, 2543067), (23787, 847689), (71361, 282563)]