20295050

素因数分解:

$2^1\times 5^2\times {\mathrm{405901}}^1$

素因数の和:405913

約数の個数: 12

約数和(自身を含む): 37748886

約数和(自身を除く): 17453836

約数列:

[1, 2, 5, 10, 25, 50, 405901, 811802, 2029505, 4059010, 10147525, 20295050]

約数ペア:

[(1, 20295050), (2, 10147525), (5, 4059010), (10, 2029505), (25, 811802), (50, 405901)]