20531576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197419}}^1$

素因数の和:197438

約数の個数: 16

約数和(自身を含む): 41458200

約数和(自身を除く): 20926624

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197419, 394838, 789676, 1579352, 2566447, 5132894, 10265788, 20531576]

約数ペア:

[(1, 20531576), (2, 10265788), (4, 5132894), (8, 2566447), (13, 1579352), (26, 789676), (52, 394838), (104, 197419)]