20596580

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7517}}^1$

素因数の和:7663

約数の個数: 24

約数和(自身を含む): 43574328

約数和(自身を除く): 22977748

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 7517, 15034, 30068, 37585, 75170, 150340, 1029829, 2059658, 4119316, 5149145, 10298290, 20596580]

約数ペア:

[(1, 20596580), (2, 10298290), (4, 5149145), (5, 4119316), (10, 2059658), (20, 1029829), (137, 150340), (274, 75170), (548, 37585), (685, 30068), (1370, 15034), (2740, 7517)]