20449772

素因数分解:

$2^2\times 7^1\times {\mathrm{829}}^1\times {\mathrm{881}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 40995360

約数和(自身を除く): 20545588

約数列:

[1, 2, 4, 7, 14, 28, 829, 881, 1658, 1762, 3316, 3524, 5803, 6167, 11606, 12334, 23212, 24668, 730349, 1460698, 2921396, 5112443, 10224886, 20449772]

約数ペア:

[(1, 20449772), (2, 10224886), (4, 5112443), (7, 2921396), (14, 1460698), (28, 730349), (829, 24668), (881, 23212), (1658, 12334), (1762, 11606), (3316, 6167), (3524, 5803)]