20801056

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{6311}}^1$

素因数の和:6424

約数の個数: 24

約数和(自身を含む): 41356224

約数和(自身を除く): 20555168

約数列:

[1, 2, 4, 8, 16, 32, 103, 206, 412, 824, 1648, 3296, 6311, 12622, 25244, 50488, 100976, 201952, 650033, 1300066, 2600132, 5200264, 10400528, 20801056]

約数ペア:

[(1, 20801056), (2, 10400528), (4, 5200264), (8, 2600132), (16, 1300066), (32, 650033), (103, 201952), (206, 100976), (412, 50488), (824, 25244), (1648, 12622), (3296, 6311)]