20218986

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{27397}}^1$

素因数の和:27446

約数の個数: 24

約数和(自身を含む): 44877924

約数和(自身を除く): 24658938

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 27397, 54794, 82191, 164382, 246573, 493146, 1123277, 2246554, 3369831, 6739662, 10109493, 20218986]

約数ペア:

[(1, 20218986), (2, 10109493), (3, 6739662), (6, 3369831), (9, 2246554), (18, 1123277), (41, 493146), (82, 246573), (123, 164382), (246, 82191), (369, 54794), (738, 27397)]