20409724

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15797}}^1$

素因数の和:15837

約数の個数: 24

約数和(自身を含む): 39810960

約数和(自身を除く): 19401236

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15797, 31594, 63188, 268549, 300143, 537098, 600286, 1074196, 1200572, 5102431, 10204862, 20409724]

約数ペア:

[(1, 20409724), (2, 10204862), (4, 5102431), (17, 1200572), (19, 1074196), (34, 600286), (38, 537098), (68, 300143), (76, 268549), (323, 63188), (646, 31594), (1292, 15797)]