20206287

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15923}}^1$

素因数の和:15979

約数の個数: 16

約数和(自身を含む): 30574080

約数和(自身を除く): 10367793

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15923, 47769, 143307, 429921, 748381, 2245143, 6735429, 20206287]

約数ペア:

[(1, 20206287), (3, 6735429), (9, 2245143), (27, 748381), (47, 429921), (141, 143307), (423, 47769), (1269, 15923)]