20907304

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1231}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 43021440

約数和(自身を除く): 22114136

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 193, 386, 772, 1231, 1544, 2123, 2462, 4246, 4924, 8492, 9848, 13541, 16984, 27082, 54164, 108328, 237583, 475166, 950332, 1900664, 2613413, 5226826, 10453652, 20907304]

約数ペア:

[(1, 20907304), (2, 10453652), (4, 5226826), (8, 2613413), (11, 1900664), (22, 950332), (44, 475166), (88, 237583), (193, 108328), (386, 54164), (772, 27082), (1231, 16984), (1544, 13541), (2123, 9848), (2462, 8492), (4246, 4924)]