20419542

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7933}}^1$

素因数の和:7965

約数の個数: 48

約数和(自身を含む): 51983568

約数和(自身を除く): 31564026

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 7933, 15866, 23799, 47598, 71397, 87263, 103129, 142794, 174526, 206258, 261789, 309387, 523578, 618774, 785367, 928161, 1134419, 1570734, 1856322, 2268838, 3403257, 6806514, 10209771, 20419542]

約数ペア:

[(1, 20419542), (2, 10209771), (3, 6806514), (6, 3403257), (9, 2268838), (11, 1856322), (13, 1570734), (18, 1134419), (22, 928161), (26, 785367), (33, 618774), (39, 523578), (66, 309387), (78, 261789), (99, 206258), (117, 174526), (143, 142794), (198, 103129), (234, 87263), (286, 71397), (429, 47598), (858, 23799), (1287, 15866), (2574, 7933)]