20756592

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 62964720

約数和(自身を除く): 42208128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 61, 68, 72, 102, 122, 136, 139, 144, 153, 183, 204, 244, 272, 278, 306, 366, 408, 417, 488, 549, 556, 612, 732, 816, 834, 976, 1037, 1098, 1112, 1224, 1251, 1464, 1668, 2074, 2196, 2224, 2363, 2448, 2502, 2928, 3111, 3336, 4148, 4392, 4726, 5004, 6222, 6672, 7089, 8296, 8479, 8784, 9333, 9452, 10008, 12444, 14178, 16592, 16958, 18666, 18904, 20016, 21267, 24888, 25437, 28356, 33916, 37332, 37808, 42534, 49776, 50874, 56712, 67832, 74664, 76311, 85068, 101748, 113424, 135664, 144143, 149328, 152622, 170136, 203496, 288286, 305244, 340272, 406992, 432429, 576572, 610488, 864858, 1153144, 1220976, 1297287, 1729716, 2306288, 2594574, 3459432, 5189148, 6918864, 10378296, 20756592]

約数ペア:

[(1, 20756592), (2, 10378296), (3, 6918864), (4, 5189148), (6, 3459432), (8, 2594574), (9, 2306288), (12, 1729716), (16, 1297287), (17, 1220976), (18, 1153144), (24, 864858), (34, 610488), (36, 576572), (48, 432429), (51, 406992), (61, 340272), (68, 305244), (72, 288286), (102, 203496), (122, 170136), (136, 152622), (139, 149328), (144, 144143), (153, 135664), (183, 113424), (204, 101748), (244, 85068), (272, 76311), (278, 74664), (306, 67832), (366, 56712), (408, 50874), (417, 49776), (488, 42534), (549, 37808), (556, 37332), (612, 33916), (732, 28356), (816, 25437), (834, 24888), (976, 21267), (1037, 20016), (1098, 18904), (1112, 18666), (1224, 16958), (1251, 16592), (1464, 14178), (1668, 12444), (2074, 10008), (2196, 9452), (2224, 9333), (2363, 8784), (2448, 8479), (2502, 8296), (2928, 7089), (3111, 6672), (3336, 6222), (4148, 5004), (4392, 4726)]