20506586

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{1409}}^1$

素因数の和:1813

約数の個数: 16

約数和(自身を含む): 32486400

約数和(自身を除く): 11979814

約数列:

[1, 2, 19, 38, 383, 766, 1409, 2818, 7277, 14554, 26771, 53542, 539647, 1079294, 10253293, 20506586]

約数ペア:

[(1, 20506586), (2, 10253293), (19, 1079294), (38, 539647), (383, 53542), (766, 26771), (1409, 14554), (2818, 7277)]