20438294

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{719}}^1$

素因数の和:1015

約数の個数: 16

約数和(自身を含む): 31337280

約数和(自身を除く): 10898986

約数列:

[1, 2, 61, 122, 233, 466, 719, 1438, 14213, 28426, 43859, 87718, 167527, 335054, 10219147, 20438294]

約数ペア:

[(1, 20438294), (2, 10219147), (61, 335054), (122, 167527), (233, 87718), (466, 43859), (719, 28426), (1438, 14213)]