20655387

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 30579120

約数和(自身を除く): 9923733

約数列:

[1, 3, 9, 89, 107, 241, 267, 321, 723, 801, 963, 2169, 9523, 21449, 25787, 28569, 64347, 77361, 85707, 193041, 232083, 2295043, 6885129, 20655387]

約数ペア:

[(1, 20655387), (3, 6885129), (9, 2295043), (89, 232083), (107, 193041), (241, 85707), (267, 77361), (321, 64347), (723, 28569), (801, 25787), (963, 21449), (2169, 9523)]