20531286

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20011}}^1$

素因数の和:20041

約数の個数: 32

約数和(自身を含む): 48028800

約数和(自身を除く): 27497514

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20011, 40022, 60033, 120066, 180099, 360198, 380209, 540297, 760418, 1080594, 1140627, 2281254, 3421881, 6843762, 10265643, 20531286]

約数ペア:

[(1, 20531286), (2, 10265643), (3, 6843762), (6, 3421881), (9, 2281254), (18, 1140627), (19, 1080594), (27, 760418), (38, 540297), (54, 380209), (57, 360198), (114, 180099), (171, 120066), (342, 60033), (513, 40022), (1026, 20011)]