20512835

素因数分解:

$5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3733}}^1$

素因数の和:3902

約数の個数: 16

約数和(自身を含む): 28318656

約数和(自身を除く): 7805821

約数列:

[1, 5, 7, 35, 157, 785, 1099, 3733, 5495, 18665, 26131, 130655, 586081, 2930405, 4102567, 20512835]

約数ペア:

[(1, 20512835), (5, 4102567), (7, 2930405), (35, 586081), (157, 130655), (785, 26131), (1099, 18665), (3733, 5495)]