20623538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11839}}^1$

素因数の和:11921

約数の個数: 16

約数和(自身を含む): 33815040

約数和(自身を除く): 13191502

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11839, 23678, 153907, 307814, 793213, 1586426, 10311769, 20623538]

約数ペア:

[(1, 20623538), (2, 10311769), (13, 1586426), (26, 793213), (67, 307814), (134, 153907), (871, 23678), (1742, 11839)]