20838824

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63533}}^1$

素因数の和:63580

約数の個数: 16

約数和(自身を含む): 40026420

約数和(自身を除く): 19187596

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63533, 127066, 254132, 508264, 2604853, 5209706, 10419412, 20838824]

約数ペア:

[(1, 20838824), (2, 10419412), (4, 5209706), (8, 2604853), (41, 508264), (82, 254132), (164, 127066), (328, 63533)]