20201654420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27299533}}^1$

素因数の和:27299579

約数の個数: 24

約数和(自身を含む): 43570056264

約数和(自身を除く): 23368401844

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27299533, 54599066, 109198132, 136497665, 272995330, 545990660, 1010082721, 2020165442, 4040330884, 5050413605, 10100827210, 20201654420]

約数ペア:

[(1, 20201654420), (2, 10100827210), (4, 5050413605), (5, 4040330884), (10, 2020165442), (20, 1010082721), (37, 545990660), (74, 272995330), (148, 136497665), (185, 109198132), (370, 54599066), (740, 27299533)]