20360889

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{1453}}^1$

素因数の和:1638

約数の個数: 20

約数和(自身を含む): 30612516

約数和(自身を除く): 10251627

約数列:

[1, 3, 9, 27, 81, 173, 519, 1453, 1557, 4359, 4671, 13077, 14013, 39231, 117693, 251369, 754107, 2262321, 6786963, 20360889]

約数ペア:

[(1, 20360889), (3, 6786963), (9, 2262321), (27, 754107), (81, 251369), (173, 117693), (519, 39231), (1453, 14013), (1557, 13077), (4359, 4671)]