20793904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{937}}^1$

素因数の和:1037

約数の個数: 40

約数和(自身を含む): 43035440

約数和(自身を除く): 22241536

約数列:

[1, 2, 4, 8, 16, 19, 38, 73, 76, 146, 152, 292, 304, 584, 937, 1168, 1387, 1874, 2774, 3748, 5548, 7496, 11096, 14992, 17803, 22192, 35606, 68401, 71212, 136802, 142424, 273604, 284848, 547208, 1094416, 1299619, 2599238, 5198476, 10396952, 20793904]

約数ペア:

[(1, 20793904), (2, 10396952), (4, 5198476), (8, 2599238), (16, 1299619), (19, 1094416), (38, 547208), (73, 284848), (76, 273604), (146, 142424), (152, 136802), (292, 71212), (304, 68401), (584, 35606), (937, 22192), (1168, 17803), (1387, 14992), (1874, 11096), (2774, 7496), (3748, 5548)]