20976304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{69001}}^1$

素因数の和:69028

約数の個数: 20

約数和(自身を含む): 42781240

約数和(自身を除く): 21804936

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 69001, 138002, 276004, 552008, 1104016, 1311019, 2622038, 5244076, 10488152, 20976304]

約数ペア:

[(1, 20976304), (2, 10488152), (4, 5244076), (8, 2622038), (16, 1311019), (19, 1104016), (38, 552008), (76, 276004), (152, 138002), (304, 69001)]