20324595

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31511}}^1$

素因数の和:31562

約数の個数: 16

約数和(自身を含む): 33276672

約数和(自身を除く): 12952077

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31511, 94533, 157555, 472665, 1354973, 4064919, 6774865, 20324595]

約数ペア:

[(1, 20324595), (3, 6774865), (5, 4064919), (15, 1354973), (43, 472665), (129, 157555), (215, 94533), (645, 31511)]