20021969

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 22659264

約数和(自身を除く): 2637295

約数列:

[1, 11, 53, 61, 563, 583, 671, 3233, 6193, 29839, 34343, 35563, 328229, 377773, 1820179, 20021969]

約数ペア:

[(1, 20021969), (11, 1820179), (53, 377773), (61, 328229), (563, 35563), (583, 34343), (671, 29839), (3233, 6193)]