20498427

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{3049}}^1$

素因数の和:3144

約数の個数: 20

約数和(自身を含む): 31000200

約数和(自身を除く): 10501773

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 3049, 6723, 9147, 27441, 82323, 246969, 253067, 759201, 2277603, 6832809, 20498427]

約数ペア:

[(1, 20498427), (3, 6832809), (9, 2277603), (27, 759201), (81, 253067), (83, 246969), (249, 82323), (747, 27441), (2241, 9147), (3049, 6723)]