20537880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15559}}^1$

素因数の和:15584

約数の個数: 64

約数和(自身を含む): 67219200

約数和(自身を除く): 46681320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15559, 31118, 46677, 62236, 77795, 93354, 124472, 155590, 171149, 186708, 233385, 311180, 342298, 373416, 466770, 513447, 622360, 684596, 855745, 933540, 1026894, 1369192, 1711490, 1867080, 2053788, 2567235, 3422980, 4107576, 5134470, 6845960, 10268940, 20537880]

約数ペア:

[(1, 20537880), (2, 10268940), (3, 6845960), (4, 5134470), (5, 4107576), (6, 3422980), (8, 2567235), (10, 2053788), (11, 1867080), (12, 1711490), (15, 1369192), (20, 1026894), (22, 933540), (24, 855745), (30, 684596), (33, 622360), (40, 513447), (44, 466770), (55, 373416), (60, 342298), (66, 311180), (88, 233385), (110, 186708), (120, 171149), (132, 155590), (165, 124472), (220, 93354), (264, 77795), (330, 62236), (440, 46677), (660, 31118), (1320, 15559)]