20798608

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9923}}^1$

素因数の和:10062

約数の個数: 20

約数和(自身を含む): 40609008

約数和(自身を除く): 19810400

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9923, 19846, 39692, 79384, 158768, 1299913, 2599826, 5199652, 10399304, 20798608]

約数ペア:

[(1, 20798608), (2, 10399304), (4, 5199652), (8, 2599826), (16, 1299913), (131, 158768), (262, 79384), (524, 39692), (1048, 19846), (2096, 9923)]