20145554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70439}}^1$

素因数の和:70465

約数の個数: 16

約数和(自身を含む): 35501760

約数和(自身を除く): 15356206

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 70439, 140878, 774829, 915707, 1549658, 1831414, 10072777, 20145554]

約数ペア:

[(1, 20145554), (2, 10072777), (11, 1831414), (13, 1549658), (22, 915707), (26, 774829), (143, 140878), (286, 70439)]