20289768

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{7901}}^1$

素因数の和:8017

約数の個数: 32

約数和(自身を含む): 51204960

約数和(自身を除く): 30915192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 7901, 15802, 23703, 31604, 47406, 63208, 94812, 189624, 845407, 1690814, 2536221, 3381628, 5072442, 6763256, 10144884, 20289768]

約数ペア:

[(1, 20289768), (2, 10144884), (3, 6763256), (4, 5072442), (6, 3381628), (8, 2536221), (12, 1690814), (24, 845407), (107, 189624), (214, 94812), (321, 63208), (428, 47406), (642, 31604), (856, 23703), (1284, 15802), (2568, 7901)]