20688648

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18341}}^1$

素因数の和:18397

約数の個数: 32

約数和(自身を含む): 52824960

約数和(自身を除く): 32136312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18341, 36682, 55023, 73364, 110046, 146728, 220092, 440184, 862027, 1724054, 2586081, 3448108, 5172162, 6896216, 10344324, 20688648]

約数ペア:

[(1, 20688648), (2, 10344324), (3, 6896216), (4, 5172162), (6, 3448108), (8, 2586081), (12, 1724054), (24, 862027), (47, 440184), (94, 220092), (141, 146728), (188, 110046), (282, 73364), (376, 55023), (564, 36682), (1128, 18341)]