20204540

素因数分解:

$2^2\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1721}}^1$

素因数の和:2317

約数の個数: 24

約数和(自身を含む): 42526512

約数和(自身を除く): 22321972

約数列:

[1, 2, 4, 5, 10, 20, 587, 1174, 1721, 2348, 2935, 3442, 5870, 6884, 8605, 11740, 17210, 34420, 1010227, 2020454, 4040908, 5051135, 10102270, 20204540]

約数ペア:

[(1, 20204540), (2, 10102270), (4, 5051135), (5, 4040908), (10, 2020454), (20, 1010227), (587, 34420), (1174, 17210), (1721, 11740), (2348, 8605), (2935, 6884), (3442, 5870)]