20255109

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56737}}^1$

素因数の和:56764

約数の個数: 16

約数和(自身を含む): 32681088

約数和(自身を除く): 12425979

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56737, 170211, 397159, 964529, 1191477, 2893587, 6751703, 20255109]

約数ペア:

[(1, 20255109), (3, 6751703), (7, 2893587), (17, 1191477), (21, 964529), (51, 397159), (119, 170211), (357, 56737)]