20920850

素因数分解:

$2^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1667}}^1$

素因数の和:1930

約数の個数: 24

約数和(自身を含む): 39091248

約数和(自身を除く): 18170398

約数列:

[1, 2, 5, 10, 25, 50, 251, 502, 1255, 1667, 2510, 3334, 6275, 8335, 12550, 16670, 41675, 83350, 418417, 836834, 2092085, 4184170, 10460425, 20920850]

約数ペア:

[(1, 20920850), (2, 10460425), (5, 4184170), (10, 2092085), (25, 836834), (50, 418417), (251, 83350), (502, 41675), (1255, 16670), (1667, 12550), (2510, 8335), (3334, 6275)]