20804126

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11173}}^1$

素因数の和:11208

約数の個数: 24

約数和(自身を含む): 38215080

約数和(自身を除く): 17410954

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11173, 22346, 78211, 156422, 212287, 424574, 547477, 1094954, 1486009, 2972018, 10402063, 20804126]

約数ペア:

[(1, 20804126), (2, 10402063), (7, 2972018), (14, 1486009), (19, 1094954), (38, 547477), (49, 424574), (98, 212287), (133, 156422), (266, 78211), (931, 22346), (1862, 11173)]