20556402

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{13331}}^1$

素因数の和:13593

約数の個数: 16

約数和(自身を含む): 41275872

約数和(自身を除く): 20719470

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 13331, 26662, 39993, 79986, 3426067, 6852134, 10278201, 20556402]

約数ペア:

[(1, 20556402), (2, 10278201), (3, 6852134), (6, 3426067), (257, 79986), (514, 39993), (771, 26662), (1542, 13331)]