20478678

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{310283}}^1$

素因数の和:310299

約数の個数: 16

約数和(自身を含む): 44680896

約数和(自身を除く): 24202218

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 310283, 620566, 930849, 1861698, 3413113, 6826226, 10239339, 20478678]

約数ペア:

[(1, 20478678), (2, 10239339), (3, 6826226), (6, 3413113), (11, 1861698), (22, 930849), (33, 620566), (66, 310283)]