20201021584

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4800623}}^1$

素因数の和:4800894

約数の個数: 20

約数和(自身を含む): 39288306816

約数和(自身を除く): 19087285232

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4800623, 9601246, 19202492, 38404984, 76809968, 1262563849, 2525127698, 5050255396, 10100510792, 20201021584]

約数ペア:

[(1, 20201021584), (2, 10100510792), (4, 5050255396), (8, 2525127698), (16, 1262563849), (263, 76809968), (526, 38404984), (1052, 19202492), (2104, 9601246), (4208, 4800623)]