20481373

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:169

約数の個数: 24

約数和(自身を含む): 24533280

約数和(自身を除く): 4051907

約数列:

[1, 11, 19, 43, 53, 209, 473, 583, 817, 1007, 1849, 2279, 8987, 11077, 20339, 25069, 35131, 43301, 97997, 386441, 476311, 1077967, 1861943, 20481373]

約数ペア:

[(1, 20481373), (11, 1861943), (19, 1077967), (43, 476311), (53, 386441), (209, 97997), (473, 43301), (583, 35131), (817, 25069), (1007, 20339), (1849, 11077), (2279, 8987)]