20136648640

素因数分解:

$2^6\times 5^1\times {\mathrm{239}}^1\times {\mathrm{263293}}^1$

素因数の和:263549

約数の個数: 56

約数和(自身を含む): 48151206720

約数和(自身を除く): 28014558080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 239, 320, 478, 956, 1195, 1912, 2390, 3824, 4780, 7648, 9560, 15296, 19120, 38240, 76480, 263293, 526586, 1053172, 1316465, 2106344, 2632930, 4212688, 5265860, 8425376, 10531720, 16850752, 21063440, 42126880, 62927027, 84253760, 125854054, 251708108, 314635135, 503416216, 629270270, 1006832432, 1258540540, 2013664864, 2517081080, 4027329728, 5034162160, 10068324320, 20136648640]

約数ペア:

[(1, 20136648640), (2, 10068324320), (4, 5034162160), (5, 4027329728), (8, 2517081080), (10, 2013664864), (16, 1258540540), (20, 1006832432), (32, 629270270), (40, 503416216), (64, 314635135), (80, 251708108), (160, 125854054), (239, 84253760), (320, 62927027), (478, 42126880), (956, 21063440), (1195, 16850752), (1912, 10531720), (2390, 8425376), (3824, 5265860), (4780, 4212688), (7648, 2632930), (9560, 2106344), (15296, 1316465), (19120, 1053172), (38240, 526586), (76480, 263293)]