20664921774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{492021947}}^1$

素因数の和:492021959

約数の個数: 16

約数和(自身を含む): 47234107008

約数和(自身を除く): 26569185234

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 492021947, 984043894, 1476065841, 2952131682, 3444153629, 6888307258, 10332460887, 20664921774]

約数ペア:

[(1, 20664921774), (2, 10332460887), (3, 6888307258), (6, 3444153629), (7, 2952131682), (14, 1476065841), (21, 984043894), (42, 492021947)]