20368912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67003}}^1$

素因数の和:67030

約数の個数: 20

約数和(自身を含む): 41542480

約数和(自身を除く): 21173568

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67003, 134006, 268012, 536024, 1072048, 1273057, 2546114, 5092228, 10184456, 20368912]

約数ペア:

[(1, 20368912), (2, 10184456), (4, 5092228), (8, 2546114), (16, 1273057), (19, 1072048), (38, 536024), (76, 268012), (152, 134006), (304, 67003)]