20108686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20903}}^1$

素因数の和:20955

約数の個数: 16

約数和(自身を含む): 33362784

約数和(自身を除く): 13254098

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 20903, 41806, 271739, 543478, 773411, 1546822, 10054343, 20108686]

約数ペア:

[(1, 20108686), (2, 10054343), (13, 1546822), (26, 773411), (37, 543478), (74, 271739), (481, 41806), (962, 20903)]