20568411

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6863}}^1$

素因数の和:6912

約数の個数: 20

約数和(自身を含む): 31560672

約数和(自身を除く): 10992261

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6863, 20589, 61767, 185301, 253931, 555903, 761793, 2285379, 6856137, 20568411]

約数ペア:

[(1, 20568411), (3, 6856137), (9, 2285379), (27, 761793), (37, 555903), (81, 253931), (111, 185301), (333, 61767), (999, 20589), (2997, 6863)]