20253261

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 12260787

約数列:

[1, 3, 7, 21, 31, 53, 93, 159, 217, 371, 587, 651, 1113, 1643, 1761, 4109, 4929, 11501, 12327, 18197, 31111, 34503, 54591, 93333, 127379, 217777, 382137, 653331, 964441, 2893323, 6751087, 20253261]

約数ペア:

[(1, 20253261), (3, 6751087), (7, 2893323), (21, 964441), (31, 653331), (53, 382137), (93, 217777), (159, 127379), (217, 93333), (371, 54591), (587, 34503), (651, 31111), (1113, 18197), (1643, 12327), (1761, 11501), (4109, 4929)]