20007243

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1777}}^1$

素因数の和:1928

約数の個数: 20

約数和(自身を含む): 30119320

約数和(自身を除く): 10112077

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1777, 3753, 5331, 11259, 15993, 47979, 143937, 247003, 741009, 2223027, 6669081, 20007243]

約数ペア:

[(1, 20007243), (3, 6669081), (9, 2223027), (27, 741009), (81, 247003), (139, 143937), (417, 47979), (1251, 15993), (1777, 11259), (3753, 5331)]