20827206

素因数分解:

$2^1\times 3^4\times {\mathrm{128563}}^1$

素因数の和:128577

約数の個数: 20

約数和(自身を含む): 46668732

約数和(自身を除く): 25841526

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 128563, 257126, 385689, 771378, 1157067, 2314134, 3471201, 6942402, 10413603, 20827206]

約数ペア:

[(1, 20827206), (2, 10413603), (3, 6942402), (6, 3471201), (9, 2314134), (18, 1157067), (27, 771378), (54, 385689), (81, 257126), (162, 128563)]