20385800

素因数分解:

$2^3\times 5^2\times {\mathrm{101929}}^1$

素因数の和:101945

約数の個数: 24

約数和(自身を含む): 47397450

約数和(自身を除く): 27011650

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 101929, 203858, 407716, 509645, 815432, 1019290, 2038580, 2548225, 4077160, 5096450, 10192900, 20385800]

約数ペア:

[(1, 20385800), (2, 10192900), (4, 5096450), (5, 4077160), (8, 2548225), (10, 2038580), (20, 1019290), (25, 815432), (40, 509645), (50, 407716), (100, 203858), (200, 101929)]