20443060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2224

約数の個数: 48

約数和(自身を含む): 47944512

約数和(自身を除く): 27501452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2161, 2365, 4322, 4730, 8644, 9460, 10805, 21610, 23771, 43220, 47542, 92923, 95084, 118855, 185846, 237710, 371692, 464615, 475420, 929230, 1022153, 1858460, 2044306, 4088612, 5110765, 10221530, 20443060]

約数ペア:

[(1, 20443060), (2, 10221530), (4, 5110765), (5, 4088612), (10, 2044306), (11, 1858460), (20, 1022153), (22, 929230), (43, 475420), (44, 464615), (55, 371692), (86, 237710), (110, 185846), (172, 118855), (215, 95084), (220, 92923), (430, 47542), (473, 43220), (860, 23771), (946, 21610), (1892, 10805), (2161, 9460), (2365, 8644), (4322, 4730)]