20161031949

素因数分解:

$3^4\times {\mathrm{15667}}^1\times {\mathrm{15887}}^1$

素因数の和:31566

約数の個数: 20

約数和(自身を含む): 30120915264

約数和(自身を除く): 9959883315

約数列:

[1, 3, 9, 27, 81, 15667, 15887, 47001, 47661, 141003, 142983, 423009, 428949, 1269027, 1286847, 248901629, 746704887, 2240114661, 6720343983, 20161031949]

約数ペア:

[(1, 20161031949), (3, 6720343983), (9, 2240114661), (27, 746704887), (81, 248901629), (15667, 1286847), (15887, 1269027), (47001, 428949), (47661, 423009), (141003, 142983)]