20882612

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 37669632

約数和(自身を除く): 16787020

約数列:

[1, 2, 4, 41, 82, 164, 223, 446, 571, 892, 1142, 2284, 9143, 18286, 23411, 36572, 46822, 93644, 127333, 254666, 509332, 5220653, 10441306, 20882612]

約数ペア:

[(1, 20882612), (2, 10441306), (4, 5220653), (41, 509332), (82, 254666), (164, 127333), (223, 93644), (446, 46822), (571, 36572), (892, 23411), (1142, 18286), (2284, 9143)]