20681528077

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{532439}}^1$

素因数の和:532656

約数の個数: 16

約数和(自身を含む): 24534835200

約数和(自身を除く): 3853307123

約数列:

[1, 7, 31, 179, 217, 1253, 5549, 38843, 532439, 3727073, 16505609, 95306581, 115539263, 667146067, 2954504011, 20681528077]

約数ペア:

[(1, 20681528077), (7, 2954504011), (31, 667146067), (179, 115539263), (217, 95306581), (1253, 16505609), (5549, 3727073), (38843, 532439)]