20377028

素因数分解:

$2^2\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1279}}^1$

素因数の和:1859

約数の個数: 24

約数和(自身を含む): 40857600

約数和(自身を除く): 20480572

約数列:

[1, 2, 4, 7, 14, 28, 569, 1138, 1279, 2276, 2558, 3983, 5116, 7966, 8953, 15932, 17906, 35812, 727751, 1455502, 2911004, 5094257, 10188514, 20377028]

約数ペア:

[(1, 20377028), (2, 10188514), (4, 5094257), (7, 2911004), (14, 1455502), (28, 727751), (569, 35812), (1138, 17906), (1279, 15932), (2276, 8953), (2558, 7966), (3983, 5116)]