20432817

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{1693}}^1$

素因数の和:1854

約数の個数: 20

約数和(自身を含む): 30746100

約数和(自身を除く): 10313283

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 1693, 4023, 5079, 12069, 15237, 45711, 137133, 252257, 756771, 2270313, 6810939, 20432817]

約数ペア:

[(1, 20432817), (3, 6810939), (9, 2270313), (27, 756771), (81, 252257), (149, 137133), (447, 45711), (1341, 15237), (1693, 12069), (4023, 5079)]