20123658898

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75652853}}^1$

素因数の和:75652881

約数の個数: 16

約数和(自身を含む): 36313369920

約数和(自身を除く): 16189711022

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 75652853, 151305706, 529569971, 1059139942, 1437404207, 2874808414, 10061829449, 20123658898]

約数ペア:

[(1, 20123658898), (2, 10061829449), (7, 2874808414), (14, 1437404207), (19, 1059139942), (38, 529569971), (133, 151305706), (266, 75652853)]