20173857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{13007}}^1$

素因数の和:13068

約数の個数: 16

約数和(自身を含む): 29970432

約数和(自身を除く): 9796575

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 13007, 39021, 143077, 429231, 611329, 1833987, 6724619, 20173857]

約数ペア:

[(1, 20173857), (3, 6724619), (11, 1833987), (33, 611329), (47, 429231), (141, 143077), (517, 39021), (1551, 13007)]