20187207

素因数分解:

$3^2\times {\mathrm{349}}^1\times {\mathrm{6427}}^1$

素因数の和:6782

約数の個数: 12

約数和(自身を含む): 29247400

約数和(自身を除く): 9060193

約数列:

[1, 3, 9, 349, 1047, 3141, 6427, 19281, 57843, 2243023, 6729069, 20187207]

約数ペア:

[(1, 20187207), (3, 6729069), (9, 2243023), (349, 57843), (1047, 19281), (3141, 6427)]