20015976309

素因数分解:

$3^1\times 7^1\times {\mathrm{30853}}^1\times {\mathrm{30893}}^1$

素因数の和:61756

約数の個数: 16

約数和(自身を含む): 30502511232

約数和(自身を除く): 10486534923

約数列:

[1, 3, 7, 21, 30853, 30893, 92559, 92679, 215971, 216251, 647913, 648753, 953141729, 2859425187, 6671992103, 20015976309]

約数ペア:

[(1, 20015976309), (3, 6671992103), (7, 2859425187), (21, 953141729), (30853, 648753), (30893, 647913), (92559, 216251), (92679, 215971)]