20180871389

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1\times {\mathrm{53441}}^1$

素因数の和:54260

約数の個数: 16

約数和(自身を含む): 23411871360

約数和(自身を除く): 3230999971

約数列:

[1, 7, 73, 511, 739, 5173, 53441, 53947, 374087, 377629, 3901193, 27308351, 39492899, 276450293, 2882981627, 20180871389]

約数ペア:

[(1, 20180871389), (7, 2882981627), (73, 276450293), (511, 39492899), (739, 27308351), (5173, 3901193), (53441, 377629), (53947, 374087)]