20813584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{118259}}^1$

素因数の和:118278

約数の個数: 20

約数和(自身を含む): 43992720

約数和(自身を除く): 23179136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 118259, 236518, 473036, 946072, 1300849, 1892144, 2601698, 5203396, 10406792, 20813584]

約数ペア:

[(1, 20813584), (2, 10406792), (4, 5203396), (8, 2601698), (11, 1892144), (16, 1300849), (22, 946072), (44, 473036), (88, 236518), (176, 118259)]