20385296

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{1571}}^1$

素因数の和:2390

約数の個数: 20

約数和(自身を含む): 39570384

約数和(自身を除く): 19185088

約数列:

[1, 2, 4, 8, 16, 811, 1571, 1622, 3142, 3244, 6284, 6488, 12568, 12976, 25136, 1274081, 2548162, 5096324, 10192648, 20385296]

約数ペア:

[(1, 20385296), (2, 10192648), (4, 5096324), (8, 2548162), (16, 1274081), (811, 25136), (1571, 12976), (1622, 12568), (3142, 6488), (3244, 6284)]