20810218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72763}}^1$

素因数の和:72789

約数の個数: 16

約数和(自身を含む): 36673056

約数和(自身を除く): 15862838

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72763, 145526, 800393, 945919, 1600786, 1891838, 10405109, 20810218]

約数ペア:

[(1, 20810218), (2, 10405109), (11, 1891838), (13, 1600786), (22, 945919), (26, 800393), (143, 145526), (286, 72763)]