20703676

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1447}}^1$

素因数の和:1538

約数の個数: 36

約数和(自身を含む): 42753648

約数和(自身を除く): 22049972

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 511, 1022, 1447, 2044, 2894, 3577, 5788, 7154, 10129, 14308, 20258, 40516, 70903, 105631, 141806, 211262, 283612, 422524, 739417, 1478834, 2957668, 5175919, 10351838, 20703676]

約数ペア:

[(1, 20703676), (2, 10351838), (4, 5175919), (7, 2957668), (14, 1478834), (28, 739417), (49, 422524), (73, 283612), (98, 211262), (146, 141806), (196, 105631), (292, 70903), (511, 40516), (1022, 20258), (1447, 14308), (2044, 10129), (2894, 7154), (3577, 5788)]