20704452

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 51609600

約数和(自身を除く): 30905148

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1279, 1349, 2558, 2698, 3837, 4047, 5116, 5396, 7674, 8094, 15348, 16188, 24301, 48602, 72903, 90809, 97204, 145806, 181618, 272427, 291612, 363236, 544854, 1089708, 1725371, 3450742, 5176113, 6901484, 10352226, 20704452]

約数ペア:

[(1, 20704452), (2, 10352226), (3, 6901484), (4, 5176113), (6, 3450742), (12, 1725371), (19, 1089708), (38, 544854), (57, 363236), (71, 291612), (76, 272427), (114, 181618), (142, 145806), (213, 97204), (228, 90809), (284, 72903), (426, 48602), (852, 24301), (1279, 16188), (1349, 15348), (2558, 8094), (2698, 7674), (3837, 5396), (4047, 5116)]