20343417

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 27734400

約数和(自身を除く): 7390983

約数列:

[1, 3, 71, 149, 213, 447, 641, 1923, 10579, 31737, 45511, 95509, 136533, 286527, 6781139, 20343417]

約数ペア:

[(1, 20343417), (3, 6781139), (71, 286527), (149, 136533), (213, 95509), (447, 45511), (641, 31737), (1923, 10579)]