20914107

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6449}}^1$

素因数の和:6522

約数の個数: 16

約数和(自身を含む): 29721600

約数和(自身を除く): 8807493

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 6449, 19347, 148327, 303103, 444981, 909309, 6971369, 20914107]

約数ペア:

[(1, 20914107), (3, 6971369), (23, 909309), (47, 444981), (69, 303103), (141, 148327), (1081, 19347), (3243, 6449)]