20404527

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47563}}^1$

素因数の和:47590

約数の個数: 16

約数和(自身を含む): 31963008

約数和(自身を除く): 11558481

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47563, 142689, 523193, 618319, 1569579, 1854957, 6801509, 20404527]

約数ペア:

[(1, 20404527), (3, 6801509), (11, 1854957), (13, 1569579), (33, 618319), (39, 523193), (143, 142689), (429, 47563)]