20798764

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3331}}^1$

素因数の和:3565

約数の個数: 24

約数和(自身を含む): 41796608

約数和(自身を除く): 20997844

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 3331, 6244, 6662, 13324, 23317, 46634, 93268, 742813, 1485626, 2971252, 5199691, 10399382, 20798764]

約数ペア:

[(1, 20798764), (2, 10399382), (4, 5199691), (7, 2971252), (14, 1485626), (28, 742813), (223, 93268), (446, 46634), (892, 23317), (1561, 13324), (3122, 6662), (3331, 6244)]