20988878

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1871}}^1$

素因数の和:2023

約数の個数: 16

約数和(自身を含む): 32348160

約数和(自身を除く): 11359282

約数列:

[1, 2, 71, 79, 142, 158, 1871, 3742, 5609, 11218, 132841, 147809, 265682, 295618, 10494439, 20988878]

約数ペア:

[(1, 20988878), (2, 10494439), (71, 295618), (79, 265682), (142, 147809), (158, 132841), (1871, 11218), (3742, 5609)]