20869112

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21559}}^1$

素因数の和:21587

約数の個数: 24

約数和(自身を含む): 43012200

約数和(自身を除く): 22143088

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21559, 43118, 86236, 172472, 237149, 474298, 948596, 1897192, 2608639, 5217278, 10434556, 20869112]

約数ペア:

[(1, 20869112), (2, 10434556), (4, 5217278), (8, 2608639), (11, 1897192), (22, 948596), (44, 474298), (88, 237149), (121, 172472), (242, 86236), (484, 43118), (968, 21559)]