20912656

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12941}}^1$

素因数の和:13050

約数の個数: 20

約数和(自身を含む): 40922604

約数和(自身を除く): 20009948

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12941, 25882, 51764, 103528, 207056, 1307041, 2614082, 5228164, 10456328, 20912656]

約数ペア:

[(1, 20912656), (2, 10456328), (4, 5228164), (8, 2614082), (16, 1307041), (101, 207056), (202, 103528), (404, 51764), (808, 25882), (1616, 12941)]