208967420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{454277}}^1$

素因数の和:454309

約数の個数: 24

約数和(自身を含む): 457912224

約数和(自身を除く): 248944804

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 454277, 908554, 1817108, 2271385, 4542770, 9085540, 10448371, 20896742, 41793484, 52241855, 104483710, 208967420]

約数ペア:

[(1, 208967420), (2, 104483710), (4, 52241855), (5, 41793484), (10, 20896742), (20, 10448371), (23, 9085540), (46, 4542770), (92, 2271385), (115, 1817108), (230, 908554), (460, 454277)]