20682158

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20807}}^1$

素因数の和:20887

約数の個数: 16

約数和(自身を含む): 35956224

約数和(自身を除く): 15274066

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20807, 41614, 145649, 291298, 1477297, 2954594, 10341079, 20682158]

約数ペア:

[(1, 20682158), (2, 10341079), (7, 2954594), (14, 1477297), (71, 291298), (142, 145649), (497, 41614), (994, 20807)]