20661663

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15271}}^1$

素因数の和:15326

約数の個数: 16

約数和(自身を含む): 30788352

約数和(自身を除く): 10126689

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15271, 45813, 167981, 503943, 626111, 1878333, 6887221, 20661663]

約数ペア:

[(1, 20661663), (3, 6887221), (11, 1878333), (33, 626111), (41, 503943), (123, 167981), (451, 45813), (1353, 15271)]