20563946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{1303}}^1$

素因数の和:1925

約数の個数: 16

約数和(自身を含む): 33298944

約数和(自身を除く): 12734998

約数列:

[1, 2, 13, 26, 607, 1214, 1303, 2606, 7891, 15782, 16939, 33878, 790921, 1581842, 10281973, 20563946]

約数ペア:

[(1, 20563946), (2, 10281973), (13, 1581842), (26, 790921), (607, 33878), (1214, 16939), (1303, 15782), (2606, 7891)]