20886642

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 56160000

約数和(自身を除く): 35273358

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 49, 51, 63, 98, 102, 119, 126, 147, 153, 199, 238, 294, 306, 343, 357, 398, 441, 597, 686, 714, 833, 882, 1029, 1071, 1194, 1393, 1666, 1791, 2058, 2142, 2499, 2786, 3087, 3383, 3582, 4179, 4998, 5831, 6174, 6766, 7497, 8358, 9751, 10149, 11662, 12537, 14994, 17493, 19502, 20298, 23681, 25074, 29253, 30447, 34986, 47362, 52479, 58506, 60894, 68257, 71043, 87759, 104958, 136514, 142086, 165767, 175518, 204771, 213129, 331534, 409542, 426258, 497301, 614313, 994602, 1160369, 1228626, 1491903, 2320738, 2983806, 3481107, 6962214, 10443321, 20886642]

約数ペア:

[(1, 20886642), (2, 10443321), (3, 6962214), (6, 3481107), (7, 2983806), (9, 2320738), (14, 1491903), (17, 1228626), (18, 1160369), (21, 994602), (34, 614313), (42, 497301), (49, 426258), (51, 409542), (63, 331534), (98, 213129), (102, 204771), (119, 175518), (126, 165767), (147, 142086), (153, 136514), (199, 104958), (238, 87759), (294, 71043), (306, 68257), (343, 60894), (357, 58506), (398, 52479), (441, 47362), (597, 34986), (686, 30447), (714, 29253), (833, 25074), (882, 23681), (1029, 20298), (1071, 19502), (1194, 17493), (1393, 14994), (1666, 12537), (1791, 11662), (2058, 10149), (2142, 9751), (2499, 8358), (2786, 7497), (3087, 6766), (3383, 6174), (3582, 5831), (4179, 4998)]