20143739

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2146

約数の個数: 16

約数和(自身を含む): 25318656

約数和(自身を除く): 5174917

約数列:

[1, 7, 11, 77, 131, 917, 1441, 1997, 10087, 13979, 21967, 153769, 261607, 1831249, 2877677, 20143739]

約数ペア:

[(1, 20143739), (7, 2877677), (11, 1831249), (77, 261607), (131, 153769), (917, 21967), (1441, 13979), (1997, 10087)]