204065990

素因数分解:

$2^1\times 5^1\times {\mathrm{977}}^1\times {\mathrm{20887}}^1$

素因数の和:21871

約数の個数: 16

約数和(自身を含む): 367712352

約数和(自身を除く): 163646362

約数列:

[1, 2, 5, 10, 977, 1954, 4885, 9770, 20887, 41774, 104435, 208870, 20406599, 40813198, 102032995, 204065990]

約数ペア:

[(1, 204065990), (2, 102032995), (5, 40813198), (10, 20406599), (977, 208870), (1954, 104435), (4885, 41774), (9770, 20887)]