20837414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42181}}^1$

素因数の和:42215

約数の個数: 16

約数和(自身を含む): 35432880

約数和(自身を除く): 14595466

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42181, 84362, 548353, 801439, 1096706, 1602878, 10418707, 20837414]

約数ペア:

[(1, 20837414), (2, 10418707), (13, 1602878), (19, 1096706), (26, 801439), (38, 548353), (247, 84362), (494, 42181)]