20512876769

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{292427}}^1$

素因数の和:293356

約数の個数: 16

約数和(自身を含む): 25602656256

約数和(自身を除く): 5089779487

約数列:

[1, 7, 11, 77, 911, 6377, 10021, 70147, 292427, 2046989, 3216697, 22516879, 266400997, 1864806979, 2930410967, 20512876769]

約数ペア:

[(1, 20512876769), (7, 2930410967), (11, 1864806979), (77, 266400997), (911, 22516879), (6377, 3216697), (10021, 2046989), (70147, 292427)]