20654536

素因数分解:

$2^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1361}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 44455680

約数和(自身を除く): 23801144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 271, 542, 1084, 1361, 1897, 2168, 2722, 3794, 5444, 7588, 9527, 10888, 15176, 19054, 38108, 76216, 368831, 737662, 1475324, 2581817, 2950648, 5163634, 10327268, 20654536]

約数ペア:

[(1, 20654536), (2, 10327268), (4, 5163634), (7, 2950648), (8, 2581817), (14, 1475324), (28, 737662), (56, 368831), (271, 76216), (542, 38108), (1084, 19054), (1361, 15176), (1897, 10888), (2168, 9527), (2722, 7588), (3794, 5444)]