20930987

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{38833}}^1$

素因数の和:38858

約数の個数: 12

約数和(自身を含む): 26562456

約数和(自身を除く): 5631469

約数列:

[1, 7, 11, 49, 77, 539, 38833, 271831, 427163, 1902817, 2990141, 20930987]

約数ペア:

[(1, 20930987), (7, 2990141), (11, 1902817), (49, 427163), (77, 271831), (539, 38833)]