20172376

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18959}}^1$

素因数の和:18991

約数の個数: 32

約数和(自身を含む): 45504000

約数和(自身を除く): 25331624

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18959, 37918, 75836, 132713, 151672, 265426, 360221, 530852, 720442, 1061704, 1440884, 2521547, 2881768, 5043094, 10086188, 20172376]

約数ペア:

[(1, 20172376), (2, 10086188), (4, 5043094), (7, 2881768), (8, 2521547), (14, 1440884), (19, 1061704), (28, 720442), (38, 530852), (56, 360221), (76, 265426), (133, 151672), (152, 132713), (266, 75836), (532, 37918), (1064, 18959)]