20261490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{727}}^1\times {\mathrm{929}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 48746880

約数和(自身を除く): 28485390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 727, 929, 1454, 1858, 2181, 2787, 3635, 4362, 4645, 5574, 7270, 9290, 10905, 13935, 21810, 27870, 675383, 1350766, 2026149, 3376915, 4052298, 6753830, 10130745, 20261490]

約数ペア:

[(1, 20261490), (2, 10130745), (3, 6753830), (5, 4052298), (6, 3376915), (10, 2026149), (15, 1350766), (30, 675383), (727, 27870), (929, 21810), (1454, 13935), (1858, 10905), (2181, 9290), (2787, 7270), (3635, 5574), (4362, 4645)]