20417865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{104707}}^1$

素因数の和:104728

約数の個数: 16

約数和(自身を含む): 35181888

約数和(自身を除く): 14764023

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 104707, 314121, 523535, 1361191, 1570605, 4083573, 6805955, 20417865]

約数ペア:

[(1, 20417865), (3, 6805955), (5, 4083573), (13, 1570605), (15, 1361191), (39, 523535), (65, 314121), (195, 104707)]