20187966701

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{2131}}^1\times {\mathrm{79609}}^1$

素因数の和:81764

約数の個数: 16

約数和(自身を含む): 24440906880

約数和(自身を除く): 4252940179

約数列:

[1, 7, 17, 119, 2131, 14917, 36227, 79609, 253589, 557263, 1353353, 9473471, 169646779, 1187527453, 2883995243, 20187966701]

約数ペア:

[(1, 20187966701), (7, 2883995243), (17, 1187527453), (119, 169646779), (2131, 9473471), (14917, 1353353), (36227, 557263), (79609, 253589)]