20030427

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2857}}^1$

素因数の和:2923

約数の個数: 24

約数和(自身を含む): 31209360

約数和(自身を除く): 11178933

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 2857, 7011, 8571, 25713, 54283, 117137, 162849, 351411, 488547, 1054233, 2225603, 6676809, 20030427]

約数ペア:

[(1, 20030427), (3, 6676809), (9, 2225603), (19, 1054233), (41, 488547), (57, 351411), (123, 162849), (171, 117137), (369, 54283), (779, 25713), (2337, 8571), (2857, 7011)]