20010291

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{3391}}^1$

素因数の和:3682

約数の個数: 16

約数和(自身を含む): 30609408

約数和(自身を除く): 10599117

約数列:

[1, 3, 7, 21, 281, 843, 1967, 3391, 5901, 10173, 23737, 71211, 952871, 2858613, 6670097, 20010291]

約数ペア:

[(1, 20010291), (3, 6670097), (7, 2858613), (21, 952871), (281, 71211), (843, 23737), (1967, 10173), (3391, 5901)]