20481202

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2081}}^1$

素因数の和:2146

約数の個数: 32

約数和(自身を含む): 37975680

約数和(自身を除く): 17494478

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 2081, 4162, 4921, 9842, 14567, 29134, 39539, 76997, 79078, 153994, 276773, 538979, 553546, 1077958, 1462943, 2925886, 10240601, 20481202]

約数ペア:

[(1, 20481202), (2, 10240601), (7, 2925886), (14, 1462943), (19, 1077958), (37, 553546), (38, 538979), (74, 276773), (133, 153994), (259, 79078), (266, 76997), (518, 39539), (703, 29134), (1406, 14567), (2081, 9842), (4162, 4921)]