20972400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17477}}^1$

素因数の和:17498

約数の個数: 60

約数和(自身を含む): 67185432

約数和(自身を除く): 46213032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 17477, 34954, 52431, 69908, 87385, 104862, 139816, 174770, 209724, 262155, 279632, 349540, 419448, 436925, 524310, 699080, 838896, 873850, 1048620, 1310775, 1398160, 1747700, 2097240, 2621550, 3495400, 4194480, 5243100, 6990800, 10486200, 20972400]

約数ペア:

[(1, 20972400), (2, 10486200), (3, 6990800), (4, 5243100), (5, 4194480), (6, 3495400), (8, 2621550), (10, 2097240), (12, 1747700), (15, 1398160), (16, 1310775), (20, 1048620), (24, 873850), (25, 838896), (30, 699080), (40, 524310), (48, 436925), (50, 419448), (60, 349540), (75, 279632), (80, 262155), (100, 209724), (120, 174770), (150, 139816), (200, 104862), (240, 87385), (300, 69908), (400, 52431), (600, 34954), (1200, 17477)]