20047181

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1559}}^1$

素因数の和:1744

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 5112499

約数列:

[1, 7, 11, 77, 167, 1169, 1559, 1837, 10913, 12859, 17149, 120043, 260353, 1822471, 2863883, 20047181]

約数ペア:

[(1, 20047181), (7, 2863883), (11, 1822471), (77, 260353), (167, 120043), (1169, 17149), (1559, 12859), (1837, 10913)]