20510660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25013}}^1$

素因数の和:25063

約数の個数: 24

約数和(自身を含む): 44124696

約数和(自身を除く): 23614036

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 25013, 50026, 100052, 125065, 250130, 500260, 1025533, 2051066, 4102132, 5127665, 10255330, 20510660]

約数ペア:

[(1, 20510660), (2, 10255330), (4, 5127665), (5, 4102132), (10, 2051066), (20, 1025533), (41, 500260), (82, 250130), (164, 125065), (205, 100052), (410, 50026), (820, 25013)]