20161645

素因数分解:

$5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1451}}^1$

素因数の和:1860

約数の個数: 16

約数和(自身を含む): 27739008

約数和(自身を除く): 7577363

約数列:

[1, 5, 7, 35, 397, 1451, 1985, 2779, 7255, 10157, 13895, 50785, 576047, 2880235, 4032329, 20161645]

約数ペア:

[(1, 20161645), (5, 4032329), (7, 2880235), (35, 576047), (397, 50785), (1451, 13895), (1985, 10157), (2779, 7255)]