20833209

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 31449600

約数和(自身を除く): 10616391

約数列:

[1, 3, 9, 31, 89, 93, 267, 279, 801, 839, 2517, 2759, 7551, 8277, 24831, 26009, 74671, 78027, 224013, 234081, 672039, 2314801, 6944403, 20833209]

約数ペア:

[(1, 20833209), (3, 6944403), (9, 2314801), (31, 672039), (89, 234081), (93, 224013), (267, 78027), (279, 74671), (801, 26009), (839, 24831), (2517, 8277), (2759, 7551)]