20340585

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8863}}^1$

素因数の和:8894

約数の個数: 32

約数和(自身を含む): 38292480

約数和(自身を除く): 17951895

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8863, 26589, 44315, 79767, 132945, 150671, 239301, 398835, 452013, 753355, 1196505, 1356039, 2260065, 4068117, 6780195, 20340585]

約数ペア:

[(1, 20340585), (3, 6780195), (5, 4068117), (9, 2260065), (15, 1356039), (17, 1196505), (27, 753355), (45, 452013), (51, 398835), (85, 239301), (135, 150671), (153, 132945), (255, 79767), (459, 44315), (765, 26589), (2295, 8863)]