20989834376

素因数分解:

$2^3\times 7^1\times {\mathrm{374818471}}^1$

素因数の和:374818484

約数の個数: 16

約数和(自身を含む): 44978216640

約数和(自身を除く): 23988382264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 374818471, 749636942, 1499273884, 2623729297, 2998547768, 5247458594, 10494917188, 20989834376]

約数ペア:

[(1, 20989834376), (2, 10494917188), (4, 5247458594), (7, 2998547768), (8, 2623729297), (14, 1499273884), (28, 749636942), (56, 374818471)]