20475464

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134707}}^1$

素因数の和:134732

約数の個数: 16

約数和(自身を含む): 40412400

約数和(自身を除く): 19936936

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134707, 269414, 538828, 1077656, 2559433, 5118866, 10237732, 20475464]

約数ペア:

[(1, 20475464), (2, 10237732), (4, 5118866), (8, 2559433), (19, 1077656), (38, 538828), (76, 269414), (152, 134707)]