20244740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7727}}^1$

素因数の和:7867

約数の個数: 24

約数和(自身を含む): 42844032

約数和(自身を除く): 22599292

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7727, 15454, 30908, 38635, 77270, 154540, 1012237, 2024474, 4048948, 5061185, 10122370, 20244740]

約数ペア:

[(1, 20244740), (2, 10122370), (4, 5061185), (5, 4048948), (10, 2024474), (20, 1012237), (131, 154540), (262, 77270), (524, 38635), (655, 30908), (1310, 15454), (2620, 7727)]