20195050

素因数分解:

$2^1\times 5^2\times {\mathrm{403901}}^1$

素因数の和:403913

約数の個数: 12

約数和(自身を含む): 37562886

約数和(自身を除く): 17367836

約数列:

[1, 2, 5, 10, 25, 50, 403901, 807802, 2019505, 4039010, 10097525, 20195050]

約数ペア:

[(1, 20195050), (2, 10097525), (5, 4039010), (10, 2019505), (25, 807802), (50, 403901)]