20641872

素因数分解:

$2^4\times 3^1\times {\mathrm{199}}^1\times {\mathrm{2161}}^1$

素因数の和:2371

約数の個数: 40

約数和(自身を含む): 53617600

約数和(自身を除く): 32975728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 199, 398, 597, 796, 1194, 1592, 2161, 2388, 3184, 4322, 4776, 6483, 8644, 9552, 12966, 17288, 25932, 34576, 51864, 103728, 430039, 860078, 1290117, 1720156, 2580234, 3440312, 5160468, 6880624, 10320936, 20641872]

約数ペア:

[(1, 20641872), (2, 10320936), (3, 6880624), (4, 5160468), (6, 3440312), (8, 2580234), (12, 1720156), (16, 1290117), (24, 860078), (48, 430039), (199, 103728), (398, 51864), (597, 34576), (796, 25932), (1194, 17288), (1592, 12966), (2161, 9552), (2388, 8644), (3184, 6483), (4322, 4776)]