20837760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10853}}^1$

素因数の和:10875

約数の個数: 64

約数和(自身を含む): 66426480

約数和(自身を除く): 45588720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10853, 21706, 32559, 43412, 54265, 65118, 86824, 108530, 130236, 162795, 173648, 217060, 260472, 325590, 347296, 434120, 520944, 651180, 694592, 868240, 1041888, 1302360, 1389184, 1736480, 2083776, 2604720, 3472960, 4167552, 5209440, 6945920, 10418880, 20837760]

約数ペア:

[(1, 20837760), (2, 10418880), (3, 6945920), (4, 5209440), (5, 4167552), (6, 3472960), (8, 2604720), (10, 2083776), (12, 1736480), (15, 1389184), (16, 1302360), (20, 1041888), (24, 868240), (30, 694592), (32, 651180), (40, 520944), (48, 434120), (60, 347296), (64, 325590), (80, 260472), (96, 217060), (120, 173648), (128, 162795), (160, 130236), (192, 108530), (240, 86824), (320, 65118), (384, 54265), (480, 43412), (640, 32559), (960, 21706), (1920, 10853)]