20462290

素因数分解:

$2^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1549}}^1$

素因数の和:2877

約数の個数: 16

約数和(自身を含む): 36883800

約数和(自身を除く): 16421510

約数列:

[1, 2, 5, 10, 1321, 1549, 2642, 3098, 6605, 7745, 13210, 15490, 2046229, 4092458, 10231145, 20462290]

約数ペア:

[(1, 20462290), (2, 10231145), (5, 4092458), (10, 2046229), (1321, 15490), (1549, 13210), (2642, 7745), (3098, 6605)]