20155586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11597}}^1$

素因数の和:11689

約数の個数: 16

約数和(自身を含む): 33402240

約数和(自身を除く): 13246654

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 11597, 23194, 127567, 255134, 916163, 1832326, 10077793, 20155586]

約数ペア:

[(1, 20155586), (2, 10077793), (11, 1832326), (22, 916163), (79, 255134), (158, 127567), (869, 23194), (1738, 11597)]