20793410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9949}}^1$

素因数の和:9986

約数の個数: 32

約数和(自身を含む): 42984000

約数和(自身を除く): 22190590

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9949, 19898, 49745, 99490, 109439, 189031, 218878, 378062, 547195, 945155, 1094390, 1890310, 2079341, 4158682, 10396705, 20793410]

約数ペア:

[(1, 20793410), (2, 10396705), (5, 4158682), (10, 2079341), (11, 1890310), (19, 1094390), (22, 945155), (38, 547195), (55, 378062), (95, 218878), (110, 189031), (190, 109439), (209, 99490), (418, 49745), (1045, 19898), (2090, 9949)]