20550448

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{3203}}^1$

素因数の和:3612

約数の個数: 20

約数和(自身を含む): 39928248

約数和(自身を除く): 19377800

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3203, 3208, 6406, 6416, 12812, 25624, 51248, 1284403, 2568806, 5137612, 10275224, 20550448]

約数ペア:

[(1, 20550448), (2, 10275224), (4, 5137612), (8, 2568806), (16, 1284403), (401, 51248), (802, 25624), (1604, 12812), (3203, 6416), (3208, 6406)]