20866516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{1321}}^1$

素因数の和:1695

約数の個数: 24

約数和(自身を含む): 39977280

約数和(自身を除く): 19110764

約数列:

[1, 2, 4, 11, 22, 44, 359, 718, 1321, 1436, 2642, 3949, 5284, 7898, 14531, 15796, 29062, 58124, 474239, 948478, 1896956, 5216629, 10433258, 20866516]

約数ペア:

[(1, 20866516), (2, 10433258), (4, 5216629), (11, 1896956), (22, 948478), (44, 474239), (359, 58124), (718, 29062), (1321, 15796), (1436, 14531), (2642, 7898), (3949, 5284)]