20315290

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{5821}}^1$

素因数の和:6177

約数の個数: 16

約数和(自身を含む): 36678600

約数和(自身を除く): 16363310

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 5821, 11642, 29105, 58210, 2031529, 4063058, 10157645, 20315290]

約数ペア:

[(1, 20315290), (2, 10157645), (5, 4063058), (10, 2031529), (349, 58210), (698, 29105), (1745, 11642), (3490, 5821)]