13894220

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1051}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 29249808

約数和(自身を除く): 15355588

約数列:

[1, 2, 4, 5, 10, 20, 661, 1051, 1322, 2102, 2644, 3305, 4204, 5255, 6610, 10510, 13220, 21020, 694711, 1389422, 2778844, 3473555, 6947110, 13894220]

約数ペア:

[(1, 13894220), (2, 6947110), (4, 3473555), (5, 2778844), (10, 1389422), (20, 694711), (661, 21020), (1051, 13220), (1322, 10510), (2102, 6610), (2644, 5255), (3305, 4204)]