20487918

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{310423}}^1$

素因数の和:310439

約数の個数: 16

約数和(自身を含む): 44701056

約数和(自身を除く): 24213138

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 310423, 620846, 931269, 1862538, 3414653, 6829306, 10243959, 20487918]

約数ペア:

[(1, 20487918), (2, 10243959), (3, 6829306), (6, 3414653), (11, 1862538), (22, 931269), (33, 620846), (66, 310423)]