20185929

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{8039}}^1$

素因数の和:8082

約数の個数: 20

約数和(自身を含む): 31130880

約数和(自身を除く): 10944951

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 8039, 24117, 72351, 217053, 249209, 651159, 747627, 2242881, 6728643, 20185929]

約数ペア:

[(1, 20185929), (3, 6728643), (9, 2242881), (27, 747627), (31, 651159), (81, 249209), (93, 217053), (279, 72351), (837, 24117), (2511, 8039)]