20484212

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3061}}^1$

素因数の和:3311

約数の個数: 24

約数和(自身を含む): 41153280

約数和(自身を除く): 20669068

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 3061, 3346, 6122, 6692, 12244, 21427, 42854, 85708, 731579, 1463158, 2926316, 5121053, 10242106, 20484212]

約数ペア:

[(1, 20484212), (2, 10242106), (4, 5121053), (7, 2926316), (14, 1463158), (28, 731579), (239, 85708), (478, 42854), (956, 21427), (1673, 12244), (3061, 6692), (3346, 6122)]