20940590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{190369}}^1$

素因数の和:190387

約数の個数: 16

約数和(自身を含む): 41119920

約数和(自身を除く): 20179330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 190369, 380738, 951845, 1903690, 2094059, 4188118, 10470295, 20940590]

約数ペア:

[(1, 20940590), (2, 10470295), (5, 4188118), (10, 2094059), (11, 1903690), (22, 951845), (55, 380738), (110, 190369)]