20807962

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{64621}}^1$

素因数の和:64653

約数の個数: 16

約数和(自身を含む): 37222272

約数和(自身を除く): 16414310

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 64621, 129242, 452347, 904694, 1486283, 2972566, 10403981, 20807962]

約数ペア:

[(1, 20807962), (2, 10403981), (7, 2972566), (14, 1486283), (23, 904694), (46, 452347), (161, 129242), (322, 64621)]