20091154

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{937}}^1$

素因数の和:1161

約数の個数: 16

約数和(自身を含む): 30796416

約数和(自身を除く): 10705262

約数列:

[1, 2, 71, 142, 151, 302, 937, 1874, 10721, 21442, 66527, 133054, 141487, 282974, 10045577, 20091154]

約数ペア:

[(1, 20091154), (2, 10045577), (71, 282974), (142, 141487), (151, 133054), (302, 66527), (937, 21442), (1874, 10721)]