20565842213

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1\times {\mathrm{71849}}^1$

素因数の和:72356

約数の個数: 16

約数和(自身を含む): 23792121600

約数和(自身を除く): 3226279387

約数列:

[1, 7, 103, 397, 721, 2779, 40891, 71849, 286237, 502943, 7400447, 28524053, 51803129, 199668371, 2937977459, 20565842213]

約数ペア:

[(1, 20565842213), (7, 2937977459), (103, 199668371), (397, 51803129), (721, 28524053), (2779, 7400447), (40891, 502943), (71849, 286237)]