20628318

素因数分解:

$2^1\times 3^1\times {\mathrm{179}}^1\times {\mathrm{19207}}^1$

素因数の和:19391

約数の個数: 16

約数和(自身を含む): 41489280

約数和(自身を除く): 20860962

約数列:

[1, 2, 3, 6, 179, 358, 537, 1074, 19207, 38414, 57621, 115242, 3438053, 6876106, 10314159, 20628318]

約数ペア:

[(1, 20628318), (2, 10314159), (3, 6876106), (6, 3438053), (179, 115242), (358, 57621), (537, 38414), (1074, 19207)]