20199006448

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{937}}^1\times {\mathrm{31333}}^1$

素因数の和:32321

約数の個数: 40

約数和(自身を含む): 40089722288

約数和(自身を除く): 19890715840

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 937, 1874, 3748, 7496, 14992, 31333, 40291, 62666, 80582, 125332, 161164, 250664, 322328, 501328, 644656, 1347319, 2694638, 5389276, 10778552, 21557104, 29359021, 58718042, 117436084, 234872168, 469744336, 1262437903, 2524875806, 5049751612, 10099503224, 20199006448]

約数ペア:

[(1, 20199006448), (2, 10099503224), (4, 5049751612), (8, 2524875806), (16, 1262437903), (43, 469744336), (86, 234872168), (172, 117436084), (344, 58718042), (688, 29359021), (937, 21557104), (1874, 10778552), (3748, 5389276), (7496, 2694638), (14992, 1347319), (31333, 644656), (40291, 501328), (62666, 322328), (80582, 250664), (125332, 161164)]