20536412679

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{27259}}^1$

素因数の和:27473

約数の個数: 40

約数和(自身を含む): 31348563840

約数和(自身を除く): 10812151161

約数列:

[1, 3, 9, 27, 71, 81, 131, 213, 393, 639, 1179, 1917, 3537, 5751, 9301, 10611, 27259, 27903, 81777, 83709, 245331, 251127, 735993, 753381, 1935389, 2207979, 3570929, 5806167, 10712787, 17418501, 32138361, 52255503, 96415083, 156766509, 253535959, 289245249, 760607877, 2281823631, 6845470893, 20536412679]

約数ペア:

[(1, 20536412679), (3, 6845470893), (9, 2281823631), (27, 760607877), (71, 289245249), (81, 253535959), (131, 156766509), (213, 96415083), (393, 52255503), (639, 32138361), (1179, 17418501), (1917, 10712787), (3537, 5806167), (5751, 3570929), (9301, 2207979), (10611, 1935389), (27259, 753381), (27903, 735993), (81777, 251127), (83709, 245331)]