20255284

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9157}}^1$

素因数の和:9247

約数の個数: 24

約数和(自身を含む): 41027840

約数和(自身を除く): 20772556

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9157, 18314, 36628, 64099, 128198, 256396, 723403, 1446806, 2893612, 5063821, 10127642, 20255284]

約数ペア:

[(1, 20255284), (2, 10127642), (4, 5063821), (7, 2893612), (14, 1446806), (28, 723403), (79, 256396), (158, 128198), (316, 64099), (553, 36628), (1106, 18314), (2212, 9157)]