20722052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1787}}^1$

素因数の和:2027

約数の個数: 24

約数和(自身を含む): 39250176

約数和(自身を除く): 18528124

約数列:

[1, 2, 4, 13, 26, 52, 223, 446, 892, 1787, 2899, 3574, 5798, 7148, 11596, 23231, 46462, 92924, 398501, 797002, 1594004, 5180513, 10361026, 20722052]

約数ペア:

[(1, 20722052), (2, 10361026), (4, 5180513), (13, 1594004), (26, 797002), (52, 398501), (223, 92924), (446, 46462), (892, 23231), (1787, 11596), (2899, 7148), (3574, 5798)]