20761818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{44939}}^1$

素因数の和:44962

約数の個数: 32

約数和(自身を含む): 51770880

約数和(自身を除く): 31009062

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 44939, 89878, 134817, 269634, 314573, 494329, 629146, 943719, 988658, 1482987, 1887438, 2965974, 3460303, 6920606, 10380909, 20761818]

約数ペア:

[(1, 20761818), (2, 10380909), (3, 6920606), (6, 3460303), (7, 2965974), (11, 1887438), (14, 1482987), (21, 988658), (22, 943719), (33, 629146), (42, 494329), (66, 314573), (77, 269634), (154, 134817), (231, 89878), (462, 44939)]