20393904

素因数分解:

$2^4\times 3^1\times {\mathrm{479}}^1\times {\mathrm{887}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 52853760

約数和(自身を除く): 32459856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 479, 887, 958, 1437, 1774, 1916, 2661, 2874, 3548, 3832, 5322, 5748, 7096, 7664, 10644, 11496, 14192, 21288, 22992, 42576, 424873, 849746, 1274619, 1699492, 2549238, 3398984, 5098476, 6797968, 10196952, 20393904]

約数ペア:

[(1, 20393904), (2, 10196952), (3, 6797968), (4, 5098476), (6, 3398984), (8, 2549238), (12, 1699492), (16, 1274619), (24, 849746), (48, 424873), (479, 42576), (887, 22992), (958, 21288), (1437, 14192), (1774, 11496), (1916, 10644), (2661, 7664), (2874, 7096), (3548, 5748), (3832, 5322)]