27720572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20323}}^1$

素因数の和:20369

約数の個数: 24

約数和(自身を含む): 54630912

約数和(自身を除く): 26910340

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 20323, 40646, 81292, 223553, 447106, 630013, 894212, 1260026, 2520052, 6930143, 13860286, 27720572]

約数ペア:

[(1, 27720572), (2, 13860286), (4, 6930143), (11, 2520052), (22, 1260026), (31, 894212), (44, 630013), (62, 447106), (124, 223553), (341, 81292), (682, 40646), (1364, 20323)]