2021833424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9720353}}^1$

素因数の和:9720374

約数の個数: 20

約数和(自身を含む): 4218633636

約数和(自身を除く): 2196800212

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9720353, 19440706, 38881412, 77762824, 126364589, 155525648, 252729178, 505458356, 1010916712, 2021833424]

約数ペア:

[(1, 2021833424), (2, 1010916712), (4, 505458356), (8, 252729178), (13, 155525648), (16, 126364589), (26, 77762824), (52, 38881412), (104, 19440706), (208, 9720353)]