20797458

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2267}}^1$

素因数の和:2422

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 24925422

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 139, 278, 417, 834, 1529, 2267, 3058, 4534, 4587, 6801, 9174, 13602, 24937, 49874, 74811, 149622, 315113, 630226, 945339, 1890678, 3466243, 6932486, 10398729, 20797458]

約数ペア:

[(1, 20797458), (2, 10398729), (3, 6932486), (6, 3466243), (11, 1890678), (22, 945339), (33, 630226), (66, 315113), (139, 149622), (278, 74811), (417, 49874), (834, 24937), (1529, 13602), (2267, 9174), (3058, 6801), (4534, 4587)]