20138444924

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29790599}}^1$

素因数の和:29790629

約数の個数: 18

約数和(自身を含む): 38161758600

約数和(自身を除く): 18023313676

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29790599, 59581198, 119162396, 387277787, 774555574, 1549111148, 5034611231, 10069222462, 20138444924]

約数ペア:

[(1, 20138444924), (2, 10069222462), (4, 5034611231), (13, 1549111148), (26, 774555574), (52, 387277787), (169, 119162396), (338, 59581198), (676, 29790599)]