20867176

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21557}}^1$

素因数の和:21585

約数の個数: 24

約数和(自身を含む): 43008210

約数和(自身を除く): 22141034

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21557, 43114, 86228, 172456, 237127, 474254, 948508, 1897016, 2608397, 5216794, 10433588, 20867176]

約数ペア:

[(1, 20867176), (2, 10433588), (4, 5216794), (8, 2608397), (11, 1897016), (22, 948508), (44, 474254), (88, 237127), (121, 172456), (242, 86228), (484, 43114), (968, 21557)]