20699964

素因数分解:

$2^2\times 3^2\times {\mathrm{709}}^1\times {\mathrm{811}}^1$

素因数の和:1530

約数の個数: 36

約数和(自身を含む): 52463320

約数和(自身を除く): 31763356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 709, 811, 1418, 1622, 2127, 2433, 2836, 3244, 4254, 4866, 6381, 7299, 8508, 9732, 12762, 14598, 25524, 29196, 574999, 1149998, 1724997, 2299996, 3449994, 5174991, 6899988, 10349982, 20699964]

約数ペア:

[(1, 20699964), (2, 10349982), (3, 6899988), (4, 5174991), (6, 3449994), (9, 2299996), (12, 1724997), (18, 1149998), (36, 574999), (709, 29196), (811, 25524), (1418, 14598), (1622, 12762), (2127, 9732), (2433, 8508), (2836, 7299), (3244, 6381), (4254, 4866)]