20170678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39863}}^1$

素因数の和:39899

約数の個数: 16

約数和(自身を含む): 34442496

約数和(自身を除く): 14271818

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39863, 79726, 438493, 876986, 916849, 1833698, 10085339, 20170678]

約数ペア:

[(1, 20170678), (2, 10085339), (11, 1833698), (22, 916849), (23, 876986), (46, 438493), (253, 79726), (506, 39863)]