2021042020

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{97259}}^1$

素因数の和:98307

約数の個数: 24

約数和(自身を含む): 4248316800

約数和(自身を除く): 2227274780

約数列:

[1, 2, 4, 5, 10, 20, 1039, 2078, 4156, 5195, 10390, 20780, 97259, 194518, 389036, 486295, 972590, 1945180, 101052101, 202104202, 404208404, 505260505, 1010521010, 2021042020]

約数ペア:

[(1, 2021042020), (2, 1010521010), (4, 505260505), (5, 404208404), (10, 202104202), (20, 101052101), (1039, 1945180), (2078, 972590), (4156, 486295), (5195, 389036), (10390, 194518), (20780, 97259)]