20379519

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{809}}^1$

素因数の和:1132

約数の個数: 20

約数和(自身を含む): 30579120

約数和(自身を除く): 10199601

約数列:

[1, 3, 9, 27, 81, 311, 809, 933, 2427, 2799, 7281, 8397, 21843, 25191, 65529, 251599, 754797, 2264391, 6793173, 20379519]

約数ペア:

[(1, 20379519), (3, 6793173), (9, 2264391), (27, 754797), (81, 251599), (311, 65529), (809, 25191), (933, 21843), (2427, 8397), (2799, 7281)]