20254089

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{971}}^1$

素因数の和:1400

約数の個数: 16

約数和(自身を含む): 28693440

約数和(自身を除く): 8439351

約数列:

[1, 3, 17, 51, 409, 971, 1227, 2913, 6953, 16507, 20859, 49521, 397139, 1191417, 6751363, 20254089]

約数ペア:

[(1, 20254089), (3, 6751363), (17, 1191417), (51, 397139), (409, 49521), (971, 20859), (1227, 16507), (2913, 6953)]