20457958143

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{694361}}^1$

素因数の和:694455

約数の個数: 32

約数和(自身を含む): 33062740992

約数和(自身を除く): 12604782849

約数列:

[1, 3, 7, 21, 23, 61, 69, 161, 183, 427, 483, 1281, 1403, 4209, 9821, 29463, 694361, 2083083, 4860527, 14581581, 15970303, 42356021, 47910909, 111792121, 127068063, 296492147, 335376363, 889476441, 974188483, 2922565449, 6819319381, 20457958143]

約数ペア:

[(1, 20457958143), (3, 6819319381), (7, 2922565449), (21, 974188483), (23, 889476441), (61, 335376363), (69, 296492147), (161, 127068063), (183, 111792121), (427, 47910909), (483, 42356021), (1281, 15970303), (1403, 14581581), (4209, 4860527), (9821, 2083083), (29463, 694361)]