20289104

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{115279}}^1$

素因数の和:115298

約数の個数: 20

約数和(自身を含む): 42884160

約数和(自身を除く): 22595056

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 115279, 230558, 461116, 922232, 1268069, 1844464, 2536138, 5072276, 10144552, 20289104]

約数ペア:

[(1, 20289104), (2, 10144552), (4, 5072276), (8, 2536138), (11, 1844464), (16, 1268069), (22, 922232), (44, 461116), (88, 230558), (176, 115279)]