20874724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1753}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 39535160

約数和(自身を除く): 18660436

約数列:

[1, 2, 4, 13, 26, 52, 229, 458, 916, 1753, 2977, 3506, 5954, 7012, 11908, 22789, 45578, 91156, 401437, 802874, 1605748, 5218681, 10437362, 20874724]

約数ペア:

[(1, 20874724), (2, 10437362), (4, 5218681), (13, 1605748), (26, 802874), (52, 401437), (229, 91156), (458, 45578), (916, 22789), (1753, 11908), (2977, 7012), (3506, 5954)]