20785904

素因数分解:

$2^4\times {\mathrm{853}}^1\times {\mathrm{1523}}^1$

素因数の和:2384

約数の個数: 20

約数和(自身を含む): 40346376

約数和(自身を除く): 19560472

約数列:

[1, 2, 4, 8, 16, 853, 1523, 1706, 3046, 3412, 6092, 6824, 12184, 13648, 24368, 1299119, 2598238, 5196476, 10392952, 20785904]

約数ペア:

[(1, 20785904), (2, 10392952), (4, 5196476), (8, 2598238), (16, 1299119), (853, 24368), (1523, 13648), (1706, 12184), (3046, 6824), (3412, 6092)]