20916198

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{4903}}^1$

素因数の和:4993

約数の個数: 32

約数和(自身を含む): 47078400

約数和(自身を除く): 26162202

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 2133, 4266, 4903, 9806, 14709, 29418, 44127, 88254, 132381, 264762, 387337, 774674, 1162011, 2324022, 3486033, 6972066, 10458099, 20916198]

約数ペア:

[(1, 20916198), (2, 10458099), (3, 6972066), (6, 3486033), (9, 2324022), (18, 1162011), (27, 774674), (54, 387337), (79, 264762), (158, 132381), (237, 88254), (474, 44127), (711, 29418), (1422, 14709), (2133, 9806), (4266, 4903)]