20449904

素因数分解:

$2^4\times {\mathrm{823}}^1\times {\mathrm{1553}}^1$

素因数の和:2384

約数の個数: 20

約数和(自身を含む): 39695376

約数和(自身を除く): 19245472

約数列:

[1, 2, 4, 8, 16, 823, 1553, 1646, 3106, 3292, 6212, 6584, 12424, 13168, 24848, 1278119, 2556238, 5112476, 10224952, 20449904]

約数ペア:

[(1, 20449904), (2, 10224952), (4, 5112476), (8, 2556238), (16, 1278119), (823, 24848), (1553, 13168), (1646, 12424), (3106, 6584), (3292, 6212)]