20426260

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10529}}^1$

素因数の和:10635

約数の個数: 24

約数和(自身を含む): 43341480

約数和(自身を除く): 22915220

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10529, 21058, 42116, 52645, 105290, 210580, 1021313, 2042626, 4085252, 5106565, 10213130, 20426260]

約数ペア:

[(1, 20426260), (2, 10213130), (4, 5106565), (5, 4085252), (10, 2042626), (20, 1021313), (97, 210580), (194, 105290), (388, 52645), (485, 42116), (970, 21058), (1940, 10529)]