20988722

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{733}}^1$

素因数の和:977

約数の個数: 16

約数和(自身を含む): 32061120

約数和(自身を除く): 11072398

約数列:

[1, 2, 103, 139, 206, 278, 733, 1466, 14317, 28634, 75499, 101887, 150998, 203774, 10494361, 20988722]

約数ペア:

[(1, 20988722), (2, 10494361), (103, 203774), (139, 150998), (206, 101887), (278, 75499), (733, 28634), (1466, 14317)]