20683431

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{1811}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 31659264

約数和(自身を除く): 10975833

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 1811, 3807, 5433, 11421, 16299, 48897, 85117, 146691, 255351, 440073, 766053, 2298159, 6894477, 20683431]

約数ペア:

[(1, 20683431), (3, 6894477), (9, 2298159), (27, 766053), (47, 440073), (81, 255351), (141, 146691), (243, 85117), (423, 48897), (1269, 16299), (1811, 11421), (3807, 5433)]