20085681

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{86951}}^1$

素因数の和:86972

約数の個数: 16

約数和(自身を含む): 33389568

約数和(自身を除く): 13303887

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 86951, 260853, 608657, 956461, 1825971, 2869383, 6695227, 20085681]

約数ペア:

[(1, 20085681), (3, 6695227), (7, 2869383), (11, 1825971), (21, 956461), (33, 608657), (77, 260853), (231, 86951)]