20936356

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17389}}^1$

素因数の和:17443

約数の個数: 24

約数和(自身を含む): 42848960

約数和(自身を除く): 21912604

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17389, 34778, 69556, 121723, 243446, 486892, 747727, 1495454, 2990908, 5234089, 10468178, 20936356]

約数ペア:

[(1, 20936356), (2, 10468178), (4, 5234089), (7, 2990908), (14, 1495454), (28, 747727), (43, 486892), (86, 243446), (172, 121723), (301, 69556), (602, 34778), (1204, 17389)]