20737834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21557}}^1$

素因数の和:21609

約数の個数: 16

約数和(自身を含む): 34406568

約数和(自身を除く): 13668734

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21557, 43114, 280241, 560482, 797609, 1595218, 10368917, 20737834]

約数ペア:

[(1, 20737834), (2, 10368917), (13, 1595218), (26, 797609), (37, 560482), (74, 280241), (481, 43114), (962, 21557)]