20822893

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 26432952

約数和(自身を除く): 5610059

約数列:

[1, 7, 13, 49, 91, 97, 337, 637, 679, 1261, 2359, 4381, 4753, 8827, 16513, 30667, 32689, 61789, 214669, 228823, 424957, 1601761, 2974699, 20822893]

約数ペア:

[(1, 20822893), (7, 2974699), (13, 1601761), (49, 424957), (91, 228823), (97, 214669), (337, 61789), (637, 32689), (679, 30667), (1261, 16513), (2359, 8827), (4381, 4753)]