20045501

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:892

約数の個数: 16

約数和(自身を含む): 23701248

約数和(自身を除く): 3655747

約数列:

[1, 7, 53, 71, 371, 497, 761, 3763, 5327, 26341, 40333, 54031, 282331, 378217, 2863643, 20045501]

約数ペア:

[(1, 20045501), (7, 2863643), (53, 378217), (71, 282331), (371, 54031), (497, 40333), (761, 26341), (3763, 5327)]