20454687

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{2087}}^1$

素因数の和:2121

約数の個数: 30

約数和(自身を含む): 33602184

約数和(自身を除く): 13147497

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 2087, 3267, 6261, 9801, 18783, 22957, 56349, 68871, 169047, 206613, 252527, 619839, 757581, 1859517, 2272743, 6818229, 20454687]

約数ペア:

[(1, 20454687), (3, 6818229), (9, 2272743), (11, 1859517), (27, 757581), (33, 619839), (81, 252527), (99, 206613), (121, 169047), (297, 68871), (363, 56349), (891, 22957), (1089, 18783), (2087, 9801), (3267, 6261)]