20564536

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{701}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 40856400

約数和(自身を除く): 20291864

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 193, 386, 701, 772, 1402, 1544, 2804, 3667, 5608, 7334, 13319, 14668, 26638, 29336, 53276, 106552, 135293, 270586, 541172, 1082344, 2570567, 5141134, 10282268, 20564536]

約数ペア:

[(1, 20564536), (2, 10282268), (4, 5141134), (8, 2570567), (19, 1082344), (38, 541172), (76, 270586), (152, 135293), (193, 106552), (386, 53276), (701, 29336), (772, 26638), (1402, 14668), (1544, 13319), (2804, 7334), (3667, 5608)]