20676986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11897}}^1$

素因数の和:11989

約数の個数: 16

約数和(自身を含む): 34266240

約数和(自身を除く): 13589254

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 11897, 23794, 130867, 261734, 939863, 1879726, 10338493, 20676986]

約数ペア:

[(1, 20676986), (2, 10338493), (11, 1879726), (22, 939863), (79, 261734), (158, 130867), (869, 23794), (1738, 11897)]