20491216

素因数分解:

$2^4\times {\mathrm{941}}^1\times {\mathrm{1361}}^1$

素因数の和:2310

約数の個数: 20

約数和(自身を含む): 39773124

約数和(自身を除く): 19281908

約数列:

[1, 2, 4, 8, 16, 941, 1361, 1882, 2722, 3764, 5444, 7528, 10888, 15056, 21776, 1280701, 2561402, 5122804, 10245608, 20491216]

約数ペア:

[(1, 20491216), (2, 10245608), (4, 5122804), (8, 2561402), (16, 1280701), (941, 21776), (1361, 15056), (1882, 10888), (2722, 7528), (3764, 5444)]