20394531

素因数分解:

$3^3\times {\mathrm{727}}^1\times {\mathrm{1039}}^1$

素因数の和:1775

約数の個数: 16

約数和(自身を含む): 30284800

約数和(自身を除く): 9890269

約数列:

[1, 3, 9, 27, 727, 1039, 2181, 3117, 6543, 9351, 19629, 28053, 755353, 2266059, 6798177, 20394531]

約数ペア:

[(1, 20394531), (3, 6798177), (9, 2266059), (27, 755353), (727, 28053), (1039, 19629), (2181, 9351), (3117, 6543)]