20983677

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 33699456

約数和(自身を除く): 12715779

約数列:

[1, 3, 11, 13, 33, 39, 41, 123, 143, 429, 451, 533, 1193, 1353, 1599, 3579, 5863, 13123, 15509, 17589, 39369, 46527, 48913, 146739, 170599, 511797, 538043, 635869, 1614129, 1907607, 6994559, 20983677]

約数ペア:

[(1, 20983677), (3, 6994559), (11, 1907607), (13, 1614129), (33, 635869), (39, 538043), (41, 511797), (123, 170599), (143, 146739), (429, 48913), (451, 46527), (533, 39369), (1193, 17589), (1353, 15509), (1599, 13123), (3579, 5863)]