20305142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70997}}^1$

素因数の和:71023

約数の個数: 16

約数和(自身を含む): 35782992

約数和(自身を除く): 15477850

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 70997, 141994, 780967, 922961, 1561934, 1845922, 10152571, 20305142]

約数ペア:

[(1, 20305142), (2, 10152571), (11, 1845922), (13, 1561934), (22, 922961), (26, 780967), (143, 141994), (286, 70997)]