20652195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80989}}^1$

素因数の和:81014

約数の個数: 16

約数和(自身を含む): 34987680

約数和(自身を除く): 14335485

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 80989, 242967, 404945, 1214835, 1376813, 4130439, 6884065, 20652195]

約数ペア:

[(1, 20652195), (3, 6884065), (5, 4130439), (15, 1376813), (17, 1214835), (51, 404945), (85, 242967), (255, 80989)]