20866572

素因数分解:

$2^2\times 3^4\times {\mathrm{64403}}^1$

素因数の和:64419

約数の個数: 30

約数和(自身を含む): 54550188

約数和(自身を除く): 33683616

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64403, 128806, 193209, 257612, 386418, 579627, 772836, 1159254, 1738881, 2318508, 3477762, 5216643, 6955524, 10433286, 20866572]

約数ペア:

[(1, 20866572), (2, 10433286), (3, 6955524), (4, 5216643), (6, 3477762), (9, 2318508), (12, 1738881), (18, 1159254), (27, 772836), (36, 579627), (54, 386418), (81, 257612), (108, 193209), (162, 128806), (324, 64403)]