20498632

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 28023608

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 107, 154, 214, 308, 311, 428, 616, 622, 749, 856, 1177, 1244, 1498, 2177, 2354, 2488, 2996, 3421, 4354, 4708, 5992, 6842, 8239, 8708, 9416, 13684, 16478, 17416, 23947, 27368, 32956, 33277, 47894, 65912, 66554, 95788, 133108, 191576, 232939, 266216, 366047, 465878, 732094, 931756, 1464188, 1863512, 2562329, 2928376, 5124658, 10249316, 20498632]

約数ペア:

[(1, 20498632), (2, 10249316), (4, 5124658), (7, 2928376), (8, 2562329), (11, 1863512), (14, 1464188), (22, 931756), (28, 732094), (44, 465878), (56, 366047), (77, 266216), (88, 232939), (107, 191576), (154, 133108), (214, 95788), (308, 66554), (311, 65912), (428, 47894), (616, 33277), (622, 32956), (749, 27368), (856, 23947), (1177, 17416), (1244, 16478), (1498, 13684), (2177, 9416), (2354, 8708), (2488, 8239), (2996, 6842), (3421, 5992), (4354, 4708)]