20741872

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{2953}}^1$

素因数の和:3400

約数の個数: 20

約数和(自身を含む): 40292560

約数和(自身を除く): 19550688

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 2953, 3512, 5906, 7024, 11812, 23624, 47248, 1296367, 2592734, 5185468, 10370936, 20741872]

約数ペア:

[(1, 20741872), (2, 10370936), (4, 5185468), (8, 2592734), (16, 1296367), (439, 47248), (878, 23624), (1756, 11812), (2953, 7024), (3512, 5906)]