20004408

素因数分解:

$2^3\times 3^4\times {\mathrm{30871}}^1$

素因数の和:30889

約数の個数: 40

約数和(自身を含む): 56032680

約数和(自身を除く): 36028272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 30871, 61742, 92613, 123484, 185226, 246968, 277839, 370452, 555678, 740904, 833517, 1111356, 1667034, 2222712, 2500551, 3334068, 5001102, 6668136, 10002204, 20004408]

約数ペア:

[(1, 20004408), (2, 10002204), (3, 6668136), (4, 5001102), (6, 3334068), (8, 2500551), (9, 2222712), (12, 1667034), (18, 1111356), (24, 833517), (27, 740904), (36, 555678), (54, 370452), (72, 277839), (81, 246968), (108, 185226), (162, 123484), (216, 92613), (324, 61742), (648, 30871)]