20922381

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{6007}}^1$

素因数の和:6062

約数の個数: 20

約数和(自身を含む): 31986592

約数和(自身を除く): 11064211

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 6007, 18021, 54063, 162189, 258301, 486567, 774903, 2324709, 6974127, 20922381]

約数ペア:

[(1, 20922381), (3, 6974127), (9, 2324709), (27, 774903), (43, 486567), (81, 258301), (129, 162189), (387, 54063), (1161, 18021), (3483, 6007)]