20711126

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{929}}^1$

素因数の和:1159

約数の個数: 16

約数和(自身を含む): 31739040

約数和(自身を除く): 11027914

約数列:

[1, 2, 71, 142, 157, 314, 929, 1858, 11147, 22294, 65959, 131918, 145853, 291706, 10355563, 20711126]

約数ペア:

[(1, 20711126), (2, 10355563), (71, 291706), (142, 145853), (157, 131918), (314, 65959), (929, 22294), (1858, 11147)]