20903876

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39293}}^1$

素因数の和:39323

約数の個数: 24

約数和(自身を含む): 44009280

約数和(自身を除く): 23105404

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39293, 78586, 157172, 275051, 550102, 746567, 1100204, 1493134, 2986268, 5225969, 10451938, 20903876]

約数ペア:

[(1, 20903876), (2, 10451938), (4, 5225969), (7, 2986268), (14, 1493134), (19, 1100204), (28, 746567), (38, 550102), (76, 275051), (133, 157172), (266, 78586), (532, 39293)]