20188766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9829}}^1$

素因数の和:9923

約数の個数: 16

約数和(自身を含む): 33028800

約数和(自身を除く): 12840034

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9829, 19658, 127777, 255554, 776491, 1552982, 10094383, 20188766]

約数ペア:

[(1, 20188766), (2, 10094383), (13, 1552982), (26, 776491), (79, 255554), (158, 127777), (1027, 19658), (2054, 9829)]