20357438

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{1423}}^1$

素因数の和:1759

約数の個数: 16

約数和(自身を含む): 31988736

約数和(自身を除く): 11631298

約数列:

[1, 2, 23, 46, 311, 622, 1423, 2846, 7153, 14306, 32729, 65458, 442553, 885106, 10178719, 20357438]

約数ペア:

[(1, 20357438), (2, 10178719), (23, 885106), (46, 442553), (311, 65458), (622, 32729), (1423, 14306), (2846, 7153)]