20802023

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 23887872

約数和(自身を除く): 3085849

約数列:

[1, 11, 31, 53, 341, 583, 1151, 1643, 12661, 18073, 35681, 61003, 392491, 671033, 1891093, 20802023]

約数ペア:

[(1, 20802023), (11, 1891093), (31, 671033), (53, 392491), (341, 61003), (583, 35681), (1151, 18073), (1643, 12661)]