20389424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{115849}}^1$

素因数の和:115868

約数の個数: 20

約数和(自身を含む): 43096200

約数和(自身を除く): 22706776

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 115849, 231698, 463396, 926792, 1274339, 1853584, 2548678, 5097356, 10194712, 20389424]

約数ペア:

[(1, 20389424), (2, 10194712), (4, 5097356), (8, 2548678), (11, 1853584), (16, 1274339), (22, 926792), (44, 463396), (88, 231698), (176, 115849)]