20269647

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 30776928

約数和(自身を除く): 10507281

約数列:

[1, 3, 9, 23, 69, 181, 207, 541, 543, 1623, 1629, 4163, 4869, 12443, 12489, 37329, 37467, 97921, 111987, 293763, 881289, 2252183, 6756549, 20269647]

約数ペア:

[(1, 20269647), (3, 6756549), (9, 2252183), (23, 881289), (69, 293763), (181, 111987), (207, 97921), (541, 37467), (543, 37329), (1623, 12489), (1629, 12443), (4163, 4869)]