20307591

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{1049}}^1$

素因数の和:1300

約数の個数: 20

約数和(自身を含む): 30492000

約数和(自身を除く): 10184409

約数列:

[1, 3, 9, 27, 81, 239, 717, 1049, 2151, 3147, 6453, 9441, 19359, 28323, 84969, 250711, 752133, 2256399, 6769197, 20307591]

約数ペア:

[(1, 20307591), (3, 6769197), (9, 2256399), (27, 752133), (81, 250711), (239, 84969), (717, 28323), (1049, 19359), (2151, 9441), (3147, 6453)]