20193489

素因数分解:

$3^3\times {\mathrm{349}}^1\times {\mathrm{2143}}^1$

素因数の和:2501

約数の個数: 16

約数和(自身を含む): 30016000

約数和(自身を除く): 9822511

約数列:

[1, 3, 9, 27, 349, 1047, 2143, 3141, 6429, 9423, 19287, 57861, 747907, 2243721, 6731163, 20193489]

約数ペア:

[(1, 20193489), (3, 6731163), (9, 2243721), (27, 747907), (349, 57861), (1047, 19287), (2143, 9423), (3141, 6429)]