20471308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2753}}^1$

素因数の和:2794

約数の個数: 36

約数和(自身を含む): 42334488

約数和(自身を除く): 21863180

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2753, 3718, 5506, 7436, 11012, 30283, 35789, 60566, 71578, 121132, 143156, 393679, 465257, 787358, 930514, 1574716, 1861028, 5117827, 10235654, 20471308]

約数ペア:

[(1, 20471308), (2, 10235654), (4, 5117827), (11, 1861028), (13, 1574716), (22, 930514), (26, 787358), (44, 465257), (52, 393679), (143, 143156), (169, 121132), (286, 71578), (338, 60566), (572, 35789), (676, 30283), (1859, 11012), (2753, 7436), (3718, 5506)]