20746287

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{6247}}^1$

素因数の和:6300

約数の個数: 20

約数和(自身を含む): 31752336

約数和(自身を除く): 11006049

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 6247, 18741, 56223, 168669, 256127, 506007, 768381, 2305143, 6915429, 20746287]

約数ペア:

[(1, 20746287), (3, 6915429), (9, 2305143), (27, 768381), (41, 506007), (81, 256127), (123, 168669), (369, 56223), (1107, 18741), (3321, 6247)]