20571694

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{503}}^1$

素因数の和:553

約数の個数: 36

約数和(自身を含む): 36800568

約数和(自身を除く): 16228874

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 169, 242, 286, 338, 503, 1006, 1573, 1859, 3146, 3718, 5533, 6539, 11066, 13078, 20449, 40898, 60863, 71929, 85007, 121726, 143858, 170014, 791219, 935077, 1582438, 1870154, 10285847, 20571694]

約数ペア:

[(1, 20571694), (2, 10285847), (11, 1870154), (13, 1582438), (22, 935077), (26, 791219), (121, 170014), (143, 143858), (169, 121726), (242, 85007), (286, 71929), (338, 60863), (503, 40898), (1006, 20449), (1573, 13078), (1859, 11066), (3146, 6539), (3718, 5533)]