20850939

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5477}}^1$

素因数の和:5536

約数の個数: 20

約数和(自身を含む): 31816224

約数和(自身を除く): 10965285

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5477, 16431, 49293, 147879, 257419, 443637, 772257, 2316771, 6950313, 20850939]

約数ペア:

[(1, 20850939), (3, 6950313), (9, 2316771), (27, 772257), (47, 443637), (81, 257419), (141, 147879), (423, 49293), (1269, 16431), (3807, 5477)]