20186674557

素因数分解:

$3^1\times 7^1\times {\mathrm{1361}}^1\times {\mathrm{706297}}^1$

素因数の和:707668

約数の個数: 16

約数和(自身を含む): 30783292032

約数和(自身を除く): 10596617475

約数列:

[1, 3, 7, 21, 1361, 4083, 9527, 28581, 706297, 2118891, 4944079, 14832237, 961270217, 2883810651, 6728891519, 20186674557]

約数ペア:

[(1, 20186674557), (3, 6728891519), (7, 2883810651), (21, 961270217), (1361, 14832237), (4083, 4944079), (9527, 2118891), (28581, 706297)]