20422660

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1321}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 42975576

約数和(自身を除く): 22552916

約数列:

[1, 2, 4, 5, 10, 20, 773, 1321, 1546, 2642, 3092, 3865, 5284, 6605, 7730, 13210, 15460, 26420, 1021133, 2042266, 4084532, 5105665, 10211330, 20422660]

約数ペア:

[(1, 20422660), (2, 10211330), (4, 5105665), (5, 4084532), (10, 2042266), (20, 1021133), (773, 26420), (1321, 15460), (1546, 13210), (2642, 7730), (3092, 6605), (3865, 5284)]