20938983

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1223}}^1$

素因数の和:1678

約数の個数: 16

約数和(自身を含む): 30159360

約数和(自身を除く): 9220377

約数列:

[1, 3, 13, 39, 439, 1223, 1317, 3669, 5707, 15899, 17121, 47697, 536897, 1610691, 6979661, 20938983]

約数ペア:

[(1, 20938983), (3, 6979661), (13, 1610691), (39, 536897), (439, 47697), (1223, 17121), (1317, 15899), (3669, 5707)]