20482792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5413}}^1$

素因数の和:5473

約数の個数: 32

約数和(自身を含む): 42878880

約数和(自身を除く): 22396088

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5413, 10826, 21652, 43304, 59543, 119086, 232759, 238172, 465518, 476344, 931036, 1862072, 2560349, 5120698, 10241396, 20482792]

約数ペア:

[(1, 20482792), (2, 10241396), (4, 5120698), (8, 2560349), (11, 1862072), (22, 931036), (43, 476344), (44, 465518), (86, 238172), (88, 232759), (172, 119086), (344, 59543), (473, 43304), (946, 21652), (1892, 10826), (3784, 5413)]