20908368

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 200

約数和(自身を含む): 69948648

約数和(自身を除く): 49040280

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 34, 36, 39, 48, 51, 52, 54, 68, 72, 73, 78, 81, 102, 104, 108, 117, 136, 144, 146, 153, 156, 162, 204, 208, 216, 219, 221, 234, 272, 292, 306, 312, 324, 351, 408, 432, 438, 442, 459, 468, 584, 612, 624, 648, 657, 663, 702, 816, 876, 884, 918, 936, 949, 1053, 1168, 1224, 1241, 1296, 1314, 1326, 1377, 1404, 1752, 1768, 1836, 1872, 1898, 1971, 1989, 2106, 2448, 2482, 2628, 2652, 2754, 2808, 2847, 3504, 3536, 3672, 3723, 3796, 3942, 3978, 4212, 4964, 5256, 5304, 5508, 5616, 5694, 5913, 5967, 7344, 7446, 7592, 7884, 7956, 8424, 8541, 9928, 10512, 10608, 11016, 11169, 11388, 11826, 11934, 14892, 15184, 15768, 15912, 16133, 16848, 17082, 17901, 19856, 22032, 22338, 22776, 23652, 23868, 25623, 29784, 31536, 31824, 32266, 33507, 34164, 35802, 44676, 45552, 47304, 47736, 48399, 51246, 59568, 64532, 67014, 68328, 71604, 76869, 89352, 94608, 95472, 96798, 100521, 102492, 129064, 134028, 136656, 143208, 145197, 153738, 178704, 193596, 201042, 204984, 258128, 268056, 286416, 290394, 307476, 387192, 402084, 409968, 435591, 536112, 580788, 614952, 774384, 804168, 871182, 1161576, 1229904, 1306773, 1608336, 1742364, 2323152, 2613546, 3484728, 5227092, 6969456, 10454184, 20908368]

約数ペア:

[(1, 20908368), (2, 10454184), (3, 6969456), (4, 5227092), (6, 3484728), (8, 2613546), (9, 2323152), (12, 1742364), (13, 1608336), (16, 1306773), (17, 1229904), (18, 1161576), (24, 871182), (26, 804168), (27, 774384), (34, 614952), (36, 580788), (39, 536112), (48, 435591), (51, 409968), (52, 402084), (54, 387192), (68, 307476), (72, 290394), (73, 286416), (78, 268056), (81, 258128), (102, 204984), (104, 201042), (108, 193596), (117, 178704), (136, 153738), (144, 145197), (146, 143208), (153, 136656), (156, 134028), (162, 129064), (204, 102492), (208, 100521), (216, 96798), (219, 95472), (221, 94608), (234, 89352), (272, 76869), (292, 71604), (306, 68328), (312, 67014), (324, 64532), (351, 59568), (408, 51246), (432, 48399), (438, 47736), (442, 47304), (459, 45552), (468, 44676), (584, 35802), (612, 34164), (624, 33507), (648, 32266), (657, 31824), (663, 31536), (702, 29784), (816, 25623), (876, 23868), (884, 23652), (918, 22776), (936, 22338), (949, 22032), (1053, 19856), (1168, 17901), (1224, 17082), (1241, 16848), (1296, 16133), (1314, 15912), (1326, 15768), (1377, 15184), (1404, 14892), (1752, 11934), (1768, 11826), (1836, 11388), (1872, 11169), (1898, 11016), (1971, 10608), (1989, 10512), (2106, 9928), (2448, 8541), (2482, 8424), (2628, 7956), (2652, 7884), (2754, 7592), (2808, 7446), (2847, 7344), (3504, 5967), (3536, 5913), (3672, 5694), (3723, 5616), (3796, 5508), (3942, 5304), (3978, 5256), (4212, 4964)]