20641533

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{21569}}^1$

素因数の和:21612

約数の個数: 16

約数和(自身を含む): 31060800

約数和(自身を除く): 10419267

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 21569, 64707, 237259, 625501, 711777, 1876503, 6880511, 20641533]

約数ペア:

[(1, 20641533), (3, 6880511), (11, 1876503), (29, 711777), (33, 625501), (87, 237259), (319, 64707), (957, 21569)]