20515773

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{443}}^1$

素因数の和:848

約数の個数: 16

約数和(自身を含む): 28131840

約数和(自身を除く): 7616067

約数列:

[1, 3, 43, 129, 359, 443, 1077, 1329, 15437, 19049, 46311, 57147, 159037, 477111, 6838591, 20515773]

約数ペア:

[(1, 20515773), (3, 6838591), (43, 477111), (129, 159037), (359, 57147), (443, 46311), (1077, 19049), (1329, 15437)]