20414480

素因数分解:

$2^4\times 5^1\times {\mathrm{255181}}^1$

素因数の和:255194

約数の個数: 20

約数和(自身を含む): 47463852

約数和(自身を除く): 27049372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 255181, 510362, 1020724, 1275905, 2041448, 2551810, 4082896, 5103620, 10207240, 20414480]

約数ペア:

[(1, 20414480), (2, 10207240), (4, 5103620), (5, 4082896), (8, 2551810), (10, 2041448), (16, 1275905), (20, 1020724), (40, 510362), (80, 255181)]