20191264

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{8887}}^1$

素因数の和:8968

約数の個数: 24

約数和(自身を含む): 40315968

約数和(自身を除く): 20124704

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 8887, 17774, 35548, 71096, 142192, 284384, 630977, 1261954, 2523908, 5047816, 10095632, 20191264]

約数ペア:

[(1, 20191264), (2, 10095632), (4, 5047816), (8, 2523908), (16, 1261954), (32, 630977), (71, 284384), (142, 142192), (284, 71096), (568, 35548), (1136, 17774), (2272, 8887)]