20941516

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1117}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 37877840

約数和(自身を除く): 16936324

約数列:

[1, 2, 4, 43, 86, 109, 172, 218, 436, 1117, 2234, 4468, 4687, 9374, 18748, 48031, 96062, 121753, 192124, 243506, 487012, 5235379, 10470758, 20941516]

約数ペア:

[(1, 20941516), (2, 10470758), (4, 5235379), (43, 487012), (86, 243506), (109, 192124), (172, 121753), (218, 96062), (436, 48031), (1117, 18748), (2234, 9374), (4468, 4687)]