20765578

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1\times {\mathrm{439}}^1$

素因数の和:861

約数の個数: 16

約数和(自身を含む): 31775040

約数和(自身を除く): 11009462

約数列:

[1, 2, 67, 134, 353, 439, 706, 878, 23651, 29413, 47302, 58826, 154967, 309934, 10382789, 20765578]

約数ペア:

[(1, 20765578), (2, 10382789), (67, 309934), (134, 154967), (353, 58826), (439, 47302), (706, 29413), (878, 23651)]