20812896

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 69854400

約数和(自身を除く): 49041504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 32, 34, 36, 39, 48, 51, 52, 54, 68, 72, 78, 96, 102, 104, 108, 109, 117, 136, 144, 153, 156, 204, 208, 216, 218, 221, 234, 272, 288, 306, 312, 327, 351, 408, 416, 432, 436, 442, 459, 468, 544, 612, 624, 654, 663, 702, 816, 864, 872, 884, 918, 936, 981, 1224, 1248, 1308, 1326, 1404, 1417, 1632, 1744, 1768, 1836, 1853, 1872, 1962, 1989, 2448, 2616, 2652, 2808, 2834, 2943, 3488, 3536, 3672, 3706, 3744, 3924, 3978, 4251, 4896, 5232, 5304, 5559, 5616, 5668, 5886, 5967, 7072, 7344, 7412, 7848, 7956, 8502, 10464, 10608, 11118, 11232, 11336, 11772, 11934, 12753, 14688, 14824, 15696, 15912, 16677, 17004, 21216, 22236, 22672, 23544, 23868, 24089, 25506, 29648, 31392, 31824, 33354, 34008, 38259, 44472, 45344, 47088, 47736, 48178, 50031, 51012, 59296, 63648, 66708, 68016, 72267, 76518, 88944, 94176, 95472, 96356, 100062, 102024, 133416, 136032, 144534, 153036, 177888, 190944, 192712, 200124, 204048, 216801, 266832, 289068, 306072, 385424, 400248, 408096, 433602, 533664, 578136, 612144, 650403, 770848, 800496, 867204, 1156272, 1224288, 1300806, 1600992, 1734408, 2312544, 2601612, 3468816, 5203224, 6937632, 10406448, 20812896]

約数ペア:

[(1, 20812896), (2, 10406448), (3, 6937632), (4, 5203224), (6, 3468816), (8, 2601612), (9, 2312544), (12, 1734408), (13, 1600992), (16, 1300806), (17, 1224288), (18, 1156272), (24, 867204), (26, 800496), (27, 770848), (32, 650403), (34, 612144), (36, 578136), (39, 533664), (48, 433602), (51, 408096), (52, 400248), (54, 385424), (68, 306072), (72, 289068), (78, 266832), (96, 216801), (102, 204048), (104, 200124), (108, 192712), (109, 190944), (117, 177888), (136, 153036), (144, 144534), (153, 136032), (156, 133416), (204, 102024), (208, 100062), (216, 96356), (218, 95472), (221, 94176), (234, 88944), (272, 76518), (288, 72267), (306, 68016), (312, 66708), (327, 63648), (351, 59296), (408, 51012), (416, 50031), (432, 48178), (436, 47736), (442, 47088), (459, 45344), (468, 44472), (544, 38259), (612, 34008), (624, 33354), (654, 31824), (663, 31392), (702, 29648), (816, 25506), (864, 24089), (872, 23868), (884, 23544), (918, 22672), (936, 22236), (981, 21216), (1224, 17004), (1248, 16677), (1308, 15912), (1326, 15696), (1404, 14824), (1417, 14688), (1632, 12753), (1744, 11934), (1768, 11772), (1836, 11336), (1853, 11232), (1872, 11118), (1962, 10608), (1989, 10464), (2448, 8502), (2616, 7956), (2652, 7848), (2808, 7412), (2834, 7344), (2943, 7072), (3488, 5967), (3536, 5886), (3672, 5668), (3706, 5616), (3744, 5559), (3924, 5304), (3978, 5232), (4251, 4896)]