20812233

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31391}}^1$

素因数の和:31424

約数の個数: 16

約数和(自身を含む): 31643136

約数和(自身を除く): 10830903

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 31391, 94173, 408083, 533647, 1224249, 1600941, 6937411, 20812233]

約数ペア:

[(1, 20812233), (3, 6937411), (13, 1600941), (17, 1224249), (39, 533647), (51, 408083), (221, 94173), (663, 31391)]