20671476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 57953280

約数和(自身を除く): 37281804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 59, 84, 86, 97, 118, 129, 172, 177, 194, 236, 258, 291, 301, 354, 388, 413, 516, 582, 602, 679, 708, 826, 903, 1164, 1204, 1239, 1358, 1652, 1806, 2037, 2478, 2537, 2716, 3612, 4074, 4171, 4956, 5074, 5723, 7611, 8148, 8342, 10148, 11446, 12513, 15222, 16684, 17169, 17759, 22892, 25026, 29197, 30444, 34338, 35518, 40061, 50052, 53277, 58394, 68676, 71036, 80122, 87591, 106554, 116788, 120183, 160244, 175182, 213108, 240366, 246089, 350364, 480732, 492178, 738267, 984356, 1476534, 1722623, 2953068, 3445246, 5167869, 6890492, 10335738, 20671476]

約数ペア:

[(1, 20671476), (2, 10335738), (3, 6890492), (4, 5167869), (6, 3445246), (7, 2953068), (12, 1722623), (14, 1476534), (21, 984356), (28, 738267), (42, 492178), (43, 480732), (59, 350364), (84, 246089), (86, 240366), (97, 213108), (118, 175182), (129, 160244), (172, 120183), (177, 116788), (194, 106554), (236, 87591), (258, 80122), (291, 71036), (301, 68676), (354, 58394), (388, 53277), (413, 50052), (516, 40061), (582, 35518), (602, 34338), (679, 30444), (708, 29197), (826, 25026), (903, 22892), (1164, 17759), (1204, 17169), (1239, 16684), (1358, 15222), (1652, 12513), (1806, 11446), (2037, 10148), (2478, 8342), (2537, 8148), (2716, 7611), (3612, 5723), (4074, 5074), (4171, 4956)]