20903553

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11113}}^1$

素因数の和:11149

約数の個数: 24

約数和(自身を含む): 34675680

約数和(自身を除く): 13772127

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 11113, 33339, 100017, 122243, 211147, 366729, 633441, 1100187, 1900323, 2322617, 6967851, 20903553]

約数ペア:

[(1, 20903553), (3, 6967851), (9, 2322617), (11, 1900323), (19, 1100187), (33, 633441), (57, 366729), (99, 211147), (171, 122243), (209, 100017), (627, 33339), (1881, 11113)]