2021922820

素因数分解:

$2^2\times 5^1\times {\mathrm{2609}}^1\times {\mathrm{38749}}^1$

素因数の和:41367

約数の個数: 24

約数和(自身を含む): 4247775000

約数和(自身を除く): 2225852180

約数列:

[1, 2, 4, 5, 10, 20, 2609, 5218, 10436, 13045, 26090, 38749, 52180, 77498, 154996, 193745, 387490, 774980, 101096141, 202192282, 404384564, 505480705, 1010961410, 2021922820]

約数ペア:

[(1, 2021922820), (2, 1010961410), (4, 505480705), (5, 404384564), (10, 202192282), (20, 101096141), (2609, 774980), (5218, 387490), (10436, 193745), (13045, 154996), (26090, 77498), (38749, 52180)]