20813637

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{1061}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 29973888

約数和(自身を除く): 9160251

約数列:

[1, 3, 13, 39, 503, 1061, 1509, 3183, 6539, 13793, 19617, 41379, 533683, 1601049, 6937879, 20813637]

約数ペア:

[(1, 20813637), (3, 6937879), (13, 1601049), (39, 533683), (503, 41379), (1061, 19617), (1509, 13793), (3183, 6539)]