20071557

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{2503}}^1$

素因数の和:2532

約数の個数: 28

約数和(自身を含む): 32842464

約数和(自身を除く): 12770907

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 891, 2503, 2673, 7509, 8019, 22527, 27533, 67581, 82599, 202743, 247797, 608229, 743391, 1824687, 2230173, 6690519, 20071557]

約数ペア:

[(1, 20071557), (3, 6690519), (9, 2230173), (11, 1824687), (27, 743391), (33, 608229), (81, 247797), (99, 202743), (243, 82599), (297, 67581), (729, 27533), (891, 22527), (2503, 8019), (2673, 7509)]