20542838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1549}}^1$

素因数の和:1919

約数の個数: 16

約数和(自身を含む): 32550000

約数和(自身を除く): 12007162

約数列:

[1, 2, 19, 38, 349, 698, 1549, 3098, 6631, 13262, 29431, 58862, 540601, 1081202, 10271419, 20542838]

約数ペア:

[(1, 20542838), (2, 10271419), (19, 1081202), (38, 540601), (349, 58862), (698, 29431), (1549, 13262), (3098, 6631)]