20040107

素因数分解:

${\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:970

約数の個数: 12

約数和(自身を含む): 21460824

約数和(自身を除く): 1420717

約数列:

[1, 23, 43, 529, 881, 989, 20263, 22747, 37883, 466049, 871309, 20040107]

約数ペア:

[(1, 20040107), (23, 871309), (43, 466049), (529, 37883), (881, 22747), (989, 20263)]