20489735728

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{50551}}^1$

素因数の和:50631

約数の個数: 120

約数和(自身を含む): 51451421184

約数和(自身を除く): 30961685456

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 47, 49, 56, 77, 88, 94, 98, 112, 154, 176, 188, 196, 308, 329, 376, 392, 517, 539, 616, 658, 752, 784, 1034, 1078, 1232, 1316, 2068, 2156, 2303, 2632, 3619, 4136, 4312, 4606, 5264, 7238, 8272, 8624, 9212, 14476, 18424, 25333, 28952, 36848, 50551, 50666, 57904, 101102, 101332, 202204, 202664, 353857, 404408, 405328, 556061, 707714, 808816, 1112122, 1415428, 2224244, 2375897, 2476999, 2830856, 3892427, 4448488, 4751794, 4953998, 5661712, 7784854, 8896976, 9503588, 9907996, 15569708, 16631279, 19007176, 19815992, 26134867, 27246989, 31139416, 33262558, 38014352, 39631984, 52269734, 54493978, 62278832, 66525116, 104539468, 108987956, 116418953, 133050232, 182944069, 209078936, 217975912, 232837906, 266100464, 365888138, 418157872, 435951824, 465675812, 731776276, 931351624, 1280608483, 1463552552, 1862703248, 2561216966, 2927105104, 5122433932, 10244867864, 20489735728]

約数ペア:

[(1, 20489735728), (2, 10244867864), (4, 5122433932), (7, 2927105104), (8, 2561216966), (11, 1862703248), (14, 1463552552), (16, 1280608483), (22, 931351624), (28, 731776276), (44, 465675812), (47, 435951824), (49, 418157872), (56, 365888138), (77, 266100464), (88, 232837906), (94, 217975912), (98, 209078936), (112, 182944069), (154, 133050232), (176, 116418953), (188, 108987956), (196, 104539468), (308, 66525116), (329, 62278832), (376, 54493978), (392, 52269734), (517, 39631984), (539, 38014352), (616, 33262558), (658, 31139416), (752, 27246989), (784, 26134867), (1034, 19815992), (1078, 19007176), (1232, 16631279), (1316, 15569708), (2068, 9907996), (2156, 9503588), (2303, 8896976), (2632, 7784854), (3619, 5661712), (4136, 4953998), (4312, 4751794), (4606, 4448488), (5264, 3892427), (7238, 2830856), (8272, 2476999), (8624, 2375897), (9212, 2224244), (14476, 1415428), (18424, 1112122), (25333, 808816), (28952, 707714), (36848, 556061), (50551, 405328), (50666, 404408), (57904, 353857), (101102, 202664), (101332, 202204)]