20874898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{17903}}^1$

素因数の和:17969

約数の個数: 16

約数和(自身を含む): 34805376

約数和(自身を除く): 13930478

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 17903, 35806, 196933, 393866, 948859, 1897718, 10437449, 20874898]

約数ペア:

[(1, 20874898), (2, 10437449), (11, 1897718), (22, 948859), (53, 393866), (106, 196933), (583, 35806), (1166, 17903)]