20289489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5441}}^1$

素因数の和:5568

約数の個数: 16

約数和(自身を含む): 29778624

約数和(自身を除く): 9489135

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5441, 16323, 59851, 179553, 614833, 1844499, 6763163, 20289489]

約数ペア:

[(1, 20289489), (3, 6763163), (11, 1844499), (33, 614833), (113, 179553), (339, 59851), (1243, 16323), (3729, 5441)]