20885732

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3121}}^1$

素因数の和:3371

約数の個数: 24

約数和(自身を含む): 41959680

約数和(自身を除く): 21073948

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 3121, 3346, 6242, 6692, 12484, 21847, 43694, 87388, 745919, 1491838, 2983676, 5221433, 10442866, 20885732]

約数ペア:

[(1, 20885732), (2, 10442866), (4, 5221433), (7, 2983676), (14, 1491838), (28, 745919), (239, 87388), (478, 43694), (956, 21847), (1673, 12484), (3121, 6692), (3346, 6242)]