20392208

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{4703}}^1$

素因数の和:4982

約数の個数: 20

約数和(自身を含む): 39664128

約数和(自身を除く): 19271920

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 4703, 9406, 18812, 37624, 75248, 1274513, 2549026, 5098052, 10196104, 20392208]

約数ペア:

[(1, 20392208), (2, 10196104), (4, 5098052), (8, 2549026), (16, 1274513), (271, 75248), (542, 37624), (1084, 18812), (2168, 9406), (4336, 4703)]