20968568

素因数分解:

$2^3\times {\mathrm{373}}^1\times {\mathrm{7027}}^1$

素因数の和:7406

約数の個数: 16

約数和(自身を含む): 39427080

約数和(自身を除く): 18458512

約数列:

[1, 2, 4, 8, 373, 746, 1492, 2984, 7027, 14054, 28108, 56216, 2621071, 5242142, 10484284, 20968568]

約数ペア:

[(1, 20968568), (2, 10484284), (4, 5242142), (8, 2621071), (373, 56216), (746, 28108), (1492, 14054), (2984, 7027)]