20990014

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2789}}^1$

素因数の和:2915

約数の個数: 16

約数和(自身を含む): 32542560

約数和(自身を除く): 11552546

約数列:

[1, 2, 53, 71, 106, 142, 2789, 3763, 5578, 7526, 147817, 198019, 295634, 396038, 10495007, 20990014]

約数ペア:

[(1, 20990014), (2, 10495007), (53, 396038), (71, 295634), (106, 198019), (142, 147817), (2789, 7526), (3763, 5578)]