20159280124

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{117205117}}^1$

素因数の和:117205164

約数の個数: 12

約数和(自身を含む): 36099176344

約数和(自身を除く): 15939896220

約数列:

[1, 2, 4, 43, 86, 172, 117205117, 234410234, 468820468, 5039820031, 10079640062, 20159280124]

約数ペア:

[(1, 20159280124), (2, 10079640062), (4, 5039820031), (43, 468820468), (86, 234410234), (172, 117205117)]