20899898

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{919}}^1$

素因数の和:1141

約数の個数: 16

約数和(自身を含む): 31993920

約数和(自身を除く): 11094022

約数列:

[1, 2, 83, 137, 166, 274, 919, 1838, 11371, 22742, 76277, 125903, 152554, 251806, 10449949, 20899898]

約数ペア:

[(1, 20899898), (2, 10449949), (83, 251806), (137, 152554), (166, 125903), (274, 76277), (919, 22742), (1838, 11371)]