20661672

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20021}}^1$

素因数の和:20073

約数の個数: 32

約数和(自身を含む): 52858080

約数和(自身を除く): 32196408

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20021, 40042, 60063, 80084, 120126, 160168, 240252, 480504, 860903, 1721806, 2582709, 3443612, 5165418, 6887224, 10330836, 20661672]

約数ペア:

[(1, 20661672), (2, 10330836), (3, 6887224), (4, 5165418), (6, 3443612), (8, 2582709), (12, 1721806), (24, 860903), (43, 480504), (86, 240252), (129, 160168), (172, 120126), (258, 80084), (344, 60063), (516, 40042), (1032, 20021)]