20688504

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20047}}^1$

素因数の和:20099

約数の個数: 32

約数和(自身を含む): 52926720

約数和(自身を除く): 32238216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20047, 40094, 60141, 80188, 120282, 160376, 240564, 481128, 862021, 1724042, 2586063, 3448084, 5172126, 6896168, 10344252, 20688504]

約数ペア:

[(1, 20688504), (2, 10344252), (3, 6896168), (4, 5172126), (6, 3448084), (8, 2586063), (12, 1724042), (24, 862021), (43, 481128), (86, 240564), (129, 160376), (172, 120282), (258, 80188), (344, 60141), (516, 40094), (1032, 20047)]