20926728

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 63504000

約数和(自身を除く): 42577272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 41, 51, 54, 68, 72, 82, 102, 108, 123, 136, 139, 153, 164, 204, 216, 246, 278, 306, 328, 369, 408, 417, 459, 492, 556, 612, 697, 738, 834, 918, 984, 1107, 1112, 1224, 1251, 1394, 1476, 1668, 1836, 2091, 2214, 2363, 2502, 2788, 2952, 3336, 3672, 3753, 4182, 4428, 4726, 5004, 5576, 5699, 6273, 7089, 7506, 8364, 8856, 9452, 10008, 11398, 12546, 14178, 15012, 16728, 17097, 18819, 18904, 21267, 22796, 25092, 28356, 30024, 34194, 37638, 42534, 45592, 50184, 51291, 56712, 63801, 68388, 75276, 85068, 96883, 102582, 127602, 136776, 150552, 153873, 170136, 193766, 205164, 255204, 290649, 307746, 387532, 410328, 510408, 581298, 615492, 775064, 871947, 1162596, 1230984, 1743894, 2325192, 2615841, 3487788, 5231682, 6975576, 10463364, 20926728]

約数ペア:

[(1, 20926728), (2, 10463364), (3, 6975576), (4, 5231682), (6, 3487788), (8, 2615841), (9, 2325192), (12, 1743894), (17, 1230984), (18, 1162596), (24, 871947), (27, 775064), (34, 615492), (36, 581298), (41, 510408), (51, 410328), (54, 387532), (68, 307746), (72, 290649), (82, 255204), (102, 205164), (108, 193766), (123, 170136), (136, 153873), (139, 150552), (153, 136776), (164, 127602), (204, 102582), (216, 96883), (246, 85068), (278, 75276), (306, 68388), (328, 63801), (369, 56712), (408, 51291), (417, 50184), (459, 45592), (492, 42534), (556, 37638), (612, 34194), (697, 30024), (738, 28356), (834, 25092), (918, 22796), (984, 21267), (1107, 18904), (1112, 18819), (1224, 17097), (1251, 16728), (1394, 15012), (1476, 14178), (1668, 12546), (1836, 11398), (2091, 10008), (2214, 9452), (2363, 8856), (2502, 8364), (2788, 7506), (2952, 7089), (3336, 6273), (3672, 5699), (3753, 5576), (4182, 5004), (4428, 4726)]