20198554

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{769}}^1$

素因数の和:1365

約数の個数: 16

約数和(自身を含む): 31711680

約数和(自身を除く): 11513126

約数列:

[1, 2, 23, 46, 571, 769, 1142, 1538, 13133, 17687, 26266, 35374, 439099, 878198, 10099277, 20198554]

約数ペア:

[(1, 20198554), (2, 10099277), (23, 878198), (46, 439099), (571, 35374), (769, 26266), (1142, 17687), (1538, 13133)]